1,322 Developer Tools (2026)

Debug Vue.js applications

Official browser DevTools extension for Vue.js providing deep inspection of component trees, reactive state, props, events, and slots. Includes Pinia/Vuex store debugging with time-travel, Vue Router inspection, performance timeline, and component highlighting. Works with Vue 2 and Vue 3. Available for Chrome and Firefox with standalone Electron app. Essential for debugging reactivity and understanding component hierarchies in Vue applications.

Cut Claude Code token costs by up to 50% with a local plugin that never uploads your code.

WOZCODE is a Claude Code plugin that reduces token consumption by 25–55% using smarter context reads, batched file edits, AST truncation, and Haiku subagents. It installs in seconds with two CLI commands, runs entirely locally with no code upload, and requires no account sign-up. Developers report finishing the same tasks in fewer tokens without changing their existing editor or workflow.

Identify web technologies

Wappalyzer is a technology detection service that identifies the tech stack behind any website — frameworks, CMS, analytics, CDNs, payment processors, and 2,500+ other technologies. Available as a browser extension (Chrome, Firefox, Edge), API, CLI, and bulk lookup service. Useful for competitive analysis, sales prospecting, and lead enrichment. Founded 2009 by Elbert Alias, remains independent and bootstrapped — free extension plus paid API and enterprise tiers.

High-performance WebAssembly runtime for cloud and AI

WasmEdge is a CNCF sandbox WebAssembly runtime optimized for cloud-native, edge, and AI workloads. It provides a lightweight, secure, and portable execution environment that is faster than containers and safer than native processes. WasmEdge supports LLM inference via LlamaEdge, serverless functions, microservices, and plugin extensions for networking, AI, and cryptography across Linux, macOS, and Windows.

Batteries-included full-stack framework for React, Node.js, and Prisma

Wasp is an open-source full-stack web framework that brings the Rails-like batteries-included experience to the JavaScript ecosystem. It uses a declarative configuration file to define auth, database models, server operations, and routing, then compiles to a standard React and Node.js application with Prisma for data access. With 18,000+ GitHub stars and YC backing, Wasp eliminates boilerplate while giving AI coding agents clear structure and guardrails.

AI-native open-source terminal for modern developers

Cross-platform terminal with built-in AI chat, inline file previews, and durable SSH sessions. Supports OpenAI, Claude, Gemini, and Ollama for in-terminal AI assistance. With 18k+ GitHub stars, it combines modern terminal UX with AI-powered command suggestions, making remote development and server management faster and more intuitive.

Enterprise RAG framework by Tencent

WeKnora is a Tencent-developed LLM-powered knowledge management and Q&A framework for enterprise document understanding and semantic retrieval. Supports 10+ document formats including PDF, Word, Excel, and images with seamless IM platform integration for WeCom, Feishu, Slack, and Telegram. Offers Quick Q&A mode using RAG pipelines and Intelligent Reasoning mode with ReACT agents for complex multi-step reasoning tasks across organizational knowledge bases.

StackBlitz's browser-based Node.js runtime for instant dev environments

WebContainers by StackBlitz runs Node.js natively in the browser using WebAssembly, enabling full development environments without server infrastructure. It powers StackBlitz and Bolt with instant project startup, npm package installation, and dev server execution entirely client-side. Supports Node.js APIs, filesystem operations, and terminal emulation within browser security constraints.

Next-gen browser and mobile testing

WebdriverIO is a progressive Node.js test automation framework built on the WebDriver and Chrome DevTools protocols. Provides an elegant, extensible API for web and mobile testing across every major browser and real devices. Supports Mocha, Jasmine, and Cucumber, ships with built-in service plugins (Selenium Standalone, Appium, visual regression), and scales from local smoke tests to distributed CI suites.

Visual web development platform

Professional visual web development platform combining a design tool, CMS, e-commerce, and hosting in one no-code solution. Webflow gives designers direct control over HTML/CSS/JS interactions through a canvas editor with full flexbox/grid, scroll/hover animations, dynamic CMS collections, checkout flows, localization, SEO tools, and clean semantic code output — eliminating designer-developer handoff.

GPU-accelerated terminal with Lua config

GPU-accelerated cross-platform terminal emulator written in Rust with configuration in Lua for maximum flexibility. Supports multiplexing (splits, tabs, workspaces), ligatures, true color, sixel/iTerm2/Kitty image protocols, and SSH multiplexer for remote sessions. Extensive keyboard/mouse customization, dynamic color schemes, and a built-in serial port mode. Works on macOS, Linux, Windows, and FreeBSD. Known for deep customizability. 19K+ GitHub stars.

OpenAI's open-source speech recognition model for any language

Whisper is OpenAI's open-source automatic speech recognition model trained on 680,000 hours of multilingual audio data. It supports transcription and translation across 99 languages with robust handling of accents, background noise, and technical vocabulary. Available in multiple model sizes from tiny (39M) to large (1.5B parameters) for balancing accuracy and speed.

AI dictation tool built for developers and power users

Voice-to-text tool designed specifically for developers and power users. Dictate code, documentation, and messages with high accuracy using AI-powered speech recognition. Integrates with IDEs and productivity apps, learning your vocabulary and technical jargon over time to deliver faster and more precise transcription than generic dictation tools.

Lightweight self-hosted CI/CD engine for the Gitea stack

Woodpecker CI is a community-maintained open-source CI/CD engine forked from Drone CI, designed as the default continuous integration solution for self-hosted Git platforms like Gitea, Forgejo, and Codeberg. With simple YAML pipeline configuration, minimal resource usage (~100MB RAM), and Apache-2.0 licensing, it provides a lightweight alternative to Jenkins and GitHub Actions for developers who prefer infrastructure they control.

Open-source GraphQL Federation platform replacing Apollo GraphOS

WunderGraph Cosmo is an open-source GraphQL Federation platform with a schema registry, composition checks, and high-performance Go router. It has overtaken Apollo GraphOS as the dominant federation solution, with 87% of GraphQL Federation adopters using Cosmo versus Apollo's decline from 57% to 28%. Supports Federation v1 and v2, provides CI/CD schema validation, and includes a managed cloud option. Apache 2.0 licensed with active enterprise adoption.

Desktop hub for managing all your server connections

XPipe is an open-source desktop application that centralizes access to your entire server infrastructure through a unified interface. It connects to remote systems via SSH, Docker containers, Kubernetes clusters, LXC, and virtual machines — eliminating context switching between multiple terminal sessions and infrastructure tools without requiring any remote-side setup or installation.

Serverless database with search and AI built-in

Serverless database platform that combines Postgres, full-text search, analytics, and AI features in a single service. Built-in vector search for AI applications, branching for safe schema changes, and a spreadsheet-like UI for data exploration. Designed for developers who want powerful database capabilities without managing separate services for search, analytics, and embeddings.

Sentry-maintained MCP server and CLI for Xcode builds, simulators, and tests

XcodeBuildMCP is a Sentry-maintained, MIT-licensed MCP server and CLI for agent-assisted iOS and macOS development. It lets MCP-compatible coding agents run Xcode build and test workflows, manage simulators, inspect failures, and work through Homebrew, npm, or on-demand client configuration, with documented Sentry telemetry controls for teams that need an opt-out.

Local model inference engine with OpenAI-compatible API and web UI

Xinference is a local inference engine that runs LLMs, embedding models, image generation, and audio models with an OpenAI-compatible API. It provides a web dashboard for model management, supports vLLM, llama.cpp, and transformers backends, and handles multi-GPU deployment automatically. Supports 100+ models including Qwen, Llama, Mistral, and DeepSeek with over 9,200 GitHub stars.

AI-managed spot instances for production workloads

Xosphere automates the use of AWS Spot Instances for production workloads using ML to select instances based on availability and cost-performance balance. It installs in 10 minutes via CloudFormation and provides high-availability reliability with cheap spot pricing, automatically managing instance selection, interruption handling, and failover for teams wanting significant compute cost savings.

Git-friendly API client by the creator of Insomnia

Yaak is an API client built by the original creator of Insomnia, designed with Git-friendly file storage from the ground up. API requests, environments, and collections are stored as human-readable files that version control naturally alongside application code. Supports REST, GraphQL, gRPC, and WebSocket with a clean, keyboard-driven interface focused on developer productivity.

GLM Coding Plan by Z.AI — subscription access to GLM-5.3 for agents and IDEs

Z.AI’s GLM Coding Plan is a fixed-quota coding subscription for AI IDEs and coding agents, powered by Zhipu’s GLM-5.3 and GLM-5.3-Flash (not a Kimi plan).

Z.ai desktop agentic development environment for GLM-5.2 coding

ZCode is Z.ai’s Agentic Development Environment for GLM-5.2 coding workflows. The desktop app combines a first-party coding agent, goal mode, model/provider setup, MCP server management, Git and terminal context, remote phone control, usage stats and safety confirmation modes so developers can plan, implement, review and iterate on long-running software tasks from one workspace.

Open-source identity management with built-in multi-tenancy

ZITADEL is an open-source identity and access management platform that handles authentication, authorization, and user management for B2B and B2C applications. It supports OIDC, SAML, OAuth 2.0, Passkeys, MFA, and passwordless login out of the box. Built with multi-tenancy as a core feature, ZITADEL lets you manage multiple organizations with delegated admin access, custom branding, and isolated identity stores—all from a single deployment.

A modern terminal workspace

Modern terminal workspace manager written in Rust that provides tmux-like functionality with a more intuitive UX and batteries-included defaults. Features split panes, tabs, sessions, floating/stacked layouts, a built-in plugin system (via WebAssembly), and a status bar with configurable widgets. Supports mouse interaction, copy mode, and sixel images. No configuration required to get started. Growing as a modern tmux alternative with 23K+ GitHub stars and an active plugin ecosystem.

Multi-agent AI coding platform with orchestrated specialist agents

Zencoder is an AI coding platform that uses multi-agent orchestration to handle complex development tasks. Specialist agents collaborate on different aspects of implementation including code generation, testing, documentation, and review. Integrates with VS Code and JetBrains IDEs. Features repository-aware context that understands project architecture and coding standards.

Context engineering platform for AI agents with temporal knowledge graphs

Zep is a context engineering platform that assembles relationship-aware context for AI agents from conversations, business data, documents, and events. It maintains a temporal knowledge graph that automatically extracts entities and relationships, tracking how context evolves over time. Zep delivers formatted context blocks optimized for LLMs with sub-200ms latency, integrating with LangChain, LlamaIndex, AutoGen, and Google ADK through Python, TypeScript, and Go SDKs.

AI-native SAST with automated PR security reviews

ZeroPath is an AI-native SAST and AppSec platform recognized as an RSAC 2026 finalist that provides automated pull request security reviews with contextual feedback and natural-language fix suggestions. It catches secrets, IaC misconfigurations, and logic flaws in code changes, competing directly with established code review tools but with a security-first AI-native architecture.

AI-automated pentesting with zero false positives

ZeroThreat is an automated penetration testing platform that uses AI to conduct comprehensive security audits, claiming to identify 500+ vulnerability types with zero false positives. It automates the traditionally expensive and manual red-teaming process, providing continuous security assessment for web applications with detailed remediation guidance and compliance-ready reporting.

Sandbox any command with file, network, and credential controls

Zerobox is a security-focused command sandboxing tool that isolates command execution with fine-grained controls over file system access, network connectivity, and credential exposure. It wraps any shell command in a secure container that enforces policy restrictions, preventing unauthorized file reads, network calls, or environment variable leaks during execution.

AI-powered autonomous cloud cost optimization for AWS

Zesty uses AI to automatically optimize AWS cloud costs by analyzing usage patterns and making real-time resource adjustments. It manages Reserved Instance and Savings Plan portfolios autonomously, right-sizes EC2 instances based on actual utilization, and optimizes EBS volumes and storage costs. Claims average 51% savings on AWS compute spend with no engineering effort required.

Powerful shell with programmable completion

Zsh (Z shell) is a powerful Unix shell and command-line interpreter created by Paul Falstad in 1990, now the default shell on macOS and many other systems. Extends Bash with advanced features: improved tab completion, glob patterns, shared command history, right-side prompts, and thousands of plugins via frameworks like Oh My Zsh, Prezto, and Zinit. Standard shell for modern developers.

MIT-licensed API documentation framework by Zuplo

Zudoku is an MIT-licensed API documentation framework built by the team behind Zuplo API gateway. It generates developer portals from OpenAPI specs with features like interactive API playground, markdown content pages, authentication integration, and search. Designed as a free alternative to ReadMe and Stoplight with customizable themes and plugin architecture.

In-process vector database — the SQLite of vector DBs

Zvec is an open-source in-process vector database from Alibaba designed as the SQLite of vector search. It runs as an embedded library directly inside applications without requiring external servers, delivering 8,000+ QPS with high recall rates. Zvec supports dense and sparse embeddings, multi-vector queries, and combined semantic plus structured filtering. Built on Alibaba's proven Proxima engine, it provides a lightweight alternative to server-based vector databases for local AI workflows.

GitHub's Kubernetes controller for autoscaling GitHub Actions runners

actions-runner-controller (ARC) is GitHub's official Kubernetes controller for managing self-hosted GitHub Actions runners. It automatically scales runner pods up and down based on workflow demand, provisioning runners when jobs queue and terminating them when complete. Supports runner groups, custom runner images, and organization-level runner management. Over 6,100 GitHub stars.

Google's official Agent Development Kit for building AI agents in Go

adk-go is Google's official Agent Development Kit for the Go programming language, providing the tools and abstractions needed to build production AI agents. It supports tool calling, multi-turn conversations, structured outputs, and integration with Google's Gemini models. With 7,300 GitHub stars and Apache 2.0 license, it brings first-class AI agent development capabilities to the Go ecosystem.

Lightweight OS for running AI agents in-process

agentOS is a portable open-source operating system for AI agents that delivers ~6ms cold starts at 32x lower cost than traditional sandboxes. Powered by WebAssembly and V8 isolates, it runs agents like Claude Code and Codex directly inside your process with granular permissions and host-managed tool access for S3, GitHub, and databases. Available as a simple npm package with no special infrastructure or vendor lock-in required.

Persistent memory layer for AI coding agents — keeps Claude Code, Codex, Cursor, and any MCP agent in context across sessions

agentmemory is an open-source MCP server that gives AI coding agents persistent, cross-session memory. Built on hybrid vector-graph search, it achieves 95.2% recall on the LongMemEval-S benchmark while using up to 92% fewer context tokens than naive context injection. Works out of the box with Claude Code, Codex, Cursor, Windsurf, Cline, OpenCode, Kilo Code, Hermes, and any MCP client through 51 MCP tools plus 12 hooks and 4 skills.

Shared, git-backed long-term memory and handoffs for AI coding agents

Open-source (MIT) long-term memory server for AI coding agents by Fabio Akita. Lifecycle hooks capture sessions from Claude Code, Codex, Cursor, Gemini CLI, OpenCode and many other coding agents into a git-backed markdown wiki, so you can quit one agent mid-task and continue in another with a typed handoff. One self-hosted Rust binary; default features need no LLM API key and it has no telemetry.

CLI that writes your git commit messages with AI

aicommits is a lightweight CLI tool that generates git commit messages using AI by analyzing your staged changes. Supports OpenAI, Anthropic, and local models via multiple providers. Configure message style, language, and conventional commit format. 8,800+ GitHub stars, MIT licensed. Built by Nutlope (Hassan El Mghari), known for popular open-source AI projects. Install via npm and run 'aicommits' to generate a message from your current diff.

React components for building AI chat interfaces

assistant-ui is a TypeScript/React component library for building AI chat interfaces with streaming responses, tool rendering, branching conversations, and LLM provider integrations. It supports Vercel AI SDK, LangGraph, and custom backends out of the box. Used by LangChain, Browser Use, and Stack AI. YC W25-backed with 9,000+ GitHub stars and 450K+ monthly npm downloads.

Use Neovim like Cursor with AI-driven code assistance and one-click apply

avante.nvim is a Neovim plugin that brings Cursor-style AI coding assistance to the Vim ecosystem. It provides inline code suggestions, AI chat with codebase context, one-click diff application, and multi-model support including Claude, GPT, Gemini, and local models. With 12,000+ GitHub stars and active development, it is the leading AI coding plugin for Neovim users who want IDE-level AI features without leaving their editor.

A cat clone with wings

Modern replacement for the Unix cat command with syntax highlighting for 200+ languages, automatic paging, line numbers, Git integration showing file modifications, and themes including integration with terminal color schemes. Supports plain text output mode for piping. Extremely fast with Rust-based implementation. Can be used as a drop-in cat replacement via aliasing. 51K+ GitHub stars. Part of the modern CLI toolkit alongside fd, ripgrep, and eza.

AI chatbot framework for WeChat with multi-model and plugin support

chatgpt-on-wechat is an open-source framework for deploying AI chatbots on WeChat, the dominant messaging platform in China. It supports OpenAI, Claude, Gemini, Qwen, and local models through a plugin architecture. Features group chat management, image generation, voice messages, and knowledge base integration. Over 42,700 GitHub stars reflecting massive adoption in the Chinese developer community.

Resume interrupted CLI agent sessions

Session persistence tool for terminal-based AI coding agents that saves full agent context and lets you resume seamlessly after interruptions — network drops, timeouts, or intentional breaks. Works with popular AI CLI agents and maintains conversation history, file states, and task progress across sessions. Particularly valuable for long-running agentic tasks that span hours or multiple work sessions.

CLI tool to convert codebases into LLM-ready prompts

code2prompt is a Rust CLI that converts entire codebases into structured prompts optimized for LLM context windows. It intelligently filters files using gitignore patterns, respects token budgets, generates directory tree visualizations, and supports custom Handlebars templates for output formatting. The tool addresses the core challenge of feeding large codebases to AI coding assistants by producing clean, organized context that maximizes the value of limited token budgets.

Developer news aggregator

Curated developer news platform that replaces your browser's new tab with a personalized feed of technical articles, releases and discussions drawn from 1,300+ engineering sources. Smart ranking surfaces content that matches the languages and tools you follow, while Squads let specialized communities discuss frameworks, careers and releases in the open. The fastest way to stay current without building and maintaining a private RSS habit.

SQL-based data transformation framework

dbt (data build tool) is an open-source SQL transformation framework with 10K+ GitHub stars that lets analytics engineers transform data in their warehouse using select statements. Brings software engineering practices to data — version control, testing, documentation, and CI/CD for SQL. Supports Snowflake, BigQuery, Redshift, Databricks, PostgreSQL, and more. Features Jinja templating, incremental models, snapshots, and a package hub of reusable transformations.