83 Developer Tools (2026)

OpenAI coding agent for app, editor, terminal, and cloud work

Codex is OpenAI's coding agent for software development across the Codex app, editor, terminal, and cloud tasks. It helps write, review, debug, refactor, and automate code, with ChatGPT plan access for managed surfaces and API-key usage for CLI, SDK, and IDE workflows. The open-source CLI and SDK support local repository work, while cloud features add GitHub review, Slack/Linear integrations, worktrees, skills, MCP, and automations.

Direct API access to Claude models with tool use

Official API for Claude models including Opus, Sonnet, and Haiku. Supports tool use, computer use, extended thinking, and batch processing. Features prompt caching, streaming, and Messages API with vision capabilities. Known for strong performance on complex reasoning tasks, nuanced instruction following, and safety-conscious design that makes it trusted for enterprise and production applications.

Production monitoring platform for AI agent reliability

Sentrial is a YC W26-backed monitoring platform for AI agent reliability in production. It semantically detects loops, hallucinations, tool misuse, and user frustration in real-time, then diagnoses root causes and recommends fixes. The platform claims 70% MTTR reduction via automated remediation including rollback, model retraining triggers, and webhooks. Sentrial positions itself as the Datadog for teams deploying autonomous AI agents at scale.

API for GPT-5 family models, multimodal generation, embeddings, and agents

Official API platform for the GPT-5 family, reasoning/thinking variants, multimodal generation, speech, embeddings, and agent workflows. Features the Responses API, tool calling, structured outputs, batch processing, fine-tuning, and SDK support. It remains one of the most widely integrated AI APIs in the developer ecosystem, but model choice, retention settings, rate limits, and pricing tiers require active governance in production.

Run and deploy ML models via API with simple pricing

Cloud platform that lets developers run thousands of open-source and proprietary public ML models through a simple API without managing GPUs or infrastructure. Replicate hosts models for image, text, audio, and video, supports Cog-based custom deployments and private models, and now operates as a distinct Cloudflare brand with pay-by-time or input/output pricing depending on the model.

AI coding agent by JetBrains for autonomous task execution

Junie is JetBrains’ AI coding agent for autonomous task execution inside JetBrains IDEs and Android Studio. It helps plan implementation steps, write and inspect code, run tests, and collaborate through code and ask modes. Current JetBrains AI positioning lists Claude, GPT, Gemini, Grok, local-model options, and provider-choice paths, with AI Ultimate recommended for regular Junie usage.

Unified API gateway for 200+ AI models

Unified API gateway providing access to 500+ AI models from leading providers through a single OpenAI-compatible interface. OpenRouter eliminates the need to manage separate keys, billing, and integrations across providers like OpenAI, Anthropic, Google, and Meta, with built-in plugins for web search, PDF processing, automatic fallback routing, and per-model cost tracking.

Infrastructure, instantly

Modern cloud platform for deploying full-stack apps, databases, and workers with instant provisioning and usage-based pricing. Deploy from GitHub or CLI with zero config for Node.js, Python, Go, Rust, and Docker. Built-in PostgreSQL, MySQL, Redis, and MongoDB with auto backups. Features private networking, environment management, cron jobs, TCP proxying, and real-time logs. Popular with indie hackers and startups for fast MVPs with a generous free trial including $5 monthly credits.

AI code review by Cursor with multi-pass parallel analysis

BugBot is Cursor's AI pull request review layer for teams that want automated PR comments, custom rules, learned repository standards, and agent-assisted fixes close to their coding environment. Current docs list GitHub, GitHub Enterprise Server, GitLab, GitLab Self-Hosted, and Bitbucket Cloud setup paths. Pricing is usage-based, so Cursor-heavy teams should manage effort levels, privacy/storage settings, and review spend.

Serverless vector and full-text search on object storage

turbopuffer is a serverless vector and full-text search engine built on object storage and vendor-positioned as roughly 10x cheaper than traditional vector databases. Used by Anthropic, Cursor, Notion, and Atlassian for production search workloads. Official site reports 4T+ documents, 10M+ writes/s, and 25k+ queries/s in production systems. Funded by Thrive Capital.

xAI's terminal coding agent with parallel subagents and worktree-aware automation

Grok Build is xAI’s terminal-first coding agent for planning, editing, testing, and reviewing code from a local CLI. It exposes subagent controls, worktree mode, headless JSON output, best-of-N parallel attempts, sandbox profiles, and cross-session Memory (/memory, /dream) for durable project conventions and facts. It fits developers comparing Claude Code, Codex, and Gemini CLI for local agentic workflows with deeper parallel execution.

MySQL-compatible serverless database

Relational database platform for MySQL and Postgres with Vitess-backed MySQL scale, PlanetScale Postgres, query insights, deploy-request workflows, and Database Traffic Control. It fits production teams that need managed relational performance, safe schema changes, replicas, and database expertise rather than a simple hobby database.

AI-driven log analysis with zero false positives

Dash0 is an AI-driven observability platform focused on log analysis that auto-structures unstructured logs, provides instant alerting with zero false positives, and delivers full-stack tracing capabilities. It uses AI to transform raw log data into structured, searchable events without requiring manual parsing configuration, making log-based debugging significantly faster for engineering teams.

Cross-browser testing in the cloud

Cloud testing platform with access to 3,500+ real browser combinations and 30,000+ real devices for automated cross-browser testing. Integrates with Selenium, Cypress, and Playwright. Offers visual testing, accessibility checks, and Percy integration for screenshot comparison, enabling teams to catch UI regressions across every browser and device combination without maintaining local infrastructure.

AI observability with security posture management

Coralogix uses AI to provide actionable insights across logs and traces with a dedicated AI-SPM dashboard for tracking prompt injections and data leaks in AI applications. Its pay-per-use model with no upfront fees integrates security posture management directly into the observability stack, making it uniquely positioned for teams running both traditional and AI-powered production workloads.

GitHub Copilot in your terminal

Brings GitHub Copilot to the terminal, giving developers AI assistance for shell commands, error explanations, and code generation directly from the command line. Supports natural language queries to generate complex shell commands, explains error messages in plain English, and integrates with the broader GitHub Copilot ecosystem including model selection and premium request management.

Data and AI observability for enterprise teams

Monte Carlo is the leading data and AI observability platform using ML to monitor pipelines, warehouses, and lakes for quality issues. It detects freshness delays, volume anomalies, schema changes, and distribution shifts before they impact analytics. With 500+ deployments at Nasdaq, Honeywell, and Roche, it provides automated root cause analysis, field-level lineage, and incident management. Available on AWS and Azure Marketplace.

Enterprise AI coding assistant with deep codebase understanding

AI coding assistant for professional software development that uses a proprietary Context Engine to maintain live understanding of your entire stack — code, dependencies, architecture, and git history. Achieved a record-breaking SWE-bench score and a 70% win rate over GitHub Copilot in head-to-head evaluations. Agent plans, creates files, and ships features with a 200K-token context and 89% multi-file refactor accuracy. First AI coding assistant with ISO/IEC 42001 certification.

Google's enterprise AI coding assistant powered by Gemini

Gemini Code Assist is Google's business AI coding assistant for VS Code, JetBrains IDEs, Cloud Workstations, GitHub, and Google Cloud workflows. Standard and Enterprise plans include Gemini 3, a 1M-token context window, Gemini CLI access, preview agent mode, code completion, chat, transformation, PR review, and enterprise governance controls for GCP-heavy teams.

Password manager with dev tools

Leading password manager and digital identity protection platform that securely stores, organizes, and auto-fills passwords, credentials, sensitive documents, and secrets across devices. 1Password uses AES-256 zero-knowledge encryption with Watchtower breach alerts, Travel Mode, secure sharing, and developer features including CLI tools, SSH agent integration, and CI/CD secrets management.

AI codeless test automation across platforms

ACCELQ Autopilot is an AI-powered codeless test automation platform with an Adaptive Relevance Engine that suggests next test steps and self-heals element locators across web, mobile, API, and desktop applications. It provides a unified testing environment that eliminates the need for scripting knowledge while maintaining the depth and flexibility required for enterprise-grade test automation.

English-to-SQL with 100K+ users

AI2SQL converts plain English into optimized SQL queries with automatic schema detection, serving over 100,000 users worldwide. It features SQL explanation for learning, a formula generator for spreadsheets, and extensions for Slack and Chrome, providing a comprehensive ecosystem for non-technical users and developers who want to query databases faster using natural language input.

AWS managed AI code review for Java and Python

Amazon CodeGuru Reviewer is an AWS managed service that provides automated code analysis and recommendations on pull requests for Java and Python codebases. It integrates with GitHub, Bitbucket, and AWS CodeCommit, using machine learning trained on Amazon's internal code review practices to identify bugs, security vulnerabilities, and performance issues with IAM-based access control for enterprise governance.

Developer-focused documentation with AI assistance

Archbee is a developer-focused documentation platform with AI assistance for writing technical guides, API documentation, and internal knowledge bases. Built specifically for engineering teams rather than general content writers, it provides specialized code blocks, team collaboration spaces, API reference generators, and version-controlled documentation alongside AI-powered writing suggestions.

Database branching for coding agents

Ardent is a Postgres database branching platform built for coding-agent workflows. It creates isolated database copies in seconds so Claude Code, Codex, Cursor, or human developers can test migrations, clean data, reproduce bugs, and run risky experiments without touching production. The strongest fit is teams already using Postgres who need agent-safe dev/test databases rather than another generic serverless database.

Codebase-aware agentic CLI by Augment Code

Terminal coding agent with deep codebase understanding powered by Augment's context engine. Connects to GitHub, Linear, and Jira via MCP for project-aware assistance. Supports print mode for CI/CD automation, making it useful for both interactive development and automated pipeline tasks where AI-generated code changes need to happen without human intervention.

Ephemeral preview environments for every pull request

Bunnyshell automates the creation of full-stack ephemeral environments that spin up for every pull request and tear down when merged. Each environment is a complete replica of the application stack including databases, APIs, and frontend services. Integrates with GitHub, GitLab, and Bitbucket to provide shareable preview URLs for testing, QA, and stakeholder review.

AI security and enablement for enterprise and government

CalypsoAI is an AI security and enablement platform providing model validation, prompt filtering, access controls, and model provenance for enterprise and government deployments. It focuses on high-assurance AI use cases with features for content filtering, usage monitoring, and policy enforcement across LLM applications. Serves Department of Defense and regulated enterprise customers requiring strict AI governance.

Enterprise application security testing platform

Checkmarx is an enterprise application security testing platform providing SAST, SCA, DAST, API security, IaC scanning, and container security in a unified solution. Features AI-powered vulnerability detection, automated remediation guidance, and correlation across scan types to prioritize the most critical risks. Supports 30+ programming languages with deep framework-specific rules. Integrates with all major IDEs, Git platforms, and CI/CD pipelines. Used by Fortune 500 companies globally.

Cloud cost intelligence mapped to business units

CloudZero is a cost intelligence platform that maps cloud spend to engineering teams, product lines, and business units using AI-driven anomaly detection. It provides engineering-friendly insights that help developers understand the cost impact of their code changes, with per-commit cost tracking through CI/CD integration and flexible multi-cloud support across AWS, GCP, and Azure.

Multi-agent terminal coding assistant

Codebuff is an open-source AI coding assistant that operates from the terminal, editing your codebase through natural language instructions while understanding project structure, dependencies, and patterns. Uses multi-agent architecture with specialized File Explorer, Planner, and execution agents for precise code modifications across files. Editor-agnostic via terminal-level operation. Supports any OpenRouter model including Claude, GPT, DeepSeek, and Qwen.

Agentic IaC platform with AI-powered Terraform code generation

ControlMonkey is an agentic Infrastructure as Code platform that uses AI to automatically generate Terraform code from existing cloud resources. It detects infrastructure drift, converts ClickOps changes into version-controlled Terraform, and enforces IaC-first governance. Raised $7M seed funding to build AI-powered infrastructure management for cloud-native teams.

Agentic application security from prompt to cloud

Cycode is an AI-native application security platform that converges AST, SSCS, and ASPM into a single solution with the Maestro AI orchestrator managing multi-agent security workflows. It provides native SAST, SCA, secrets detection, IaC scanning, and container security alongside ConnectorX integration with 100+ third-party tools. Cycode's AI Exploitability Agent reduces false positives by 94%, and the Context Intelligence Graph maps risk across code, pipelines, and runtime environments.

JetBrains database IDE

JetBrains' professional database IDE with intelligent SQL assistance, schema navigation, data editor, and admin tools for PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Redis, and more. Features context-aware completion, error detection, explain plan visualization, data export, and version control for schema changes. Part of JetBrains All Products pack or standalone. The premium choice for database development.

Cost-effective AI inference platform with 86+ models from $0.02/M tokens

DeepInfra is an AI inference platform offering 86+ LLM models with pricing starting at $0.02 per million tokens. Backed by $20.6M in funding including an $18M Series A from Felicis Ventures, it provides OpenAI-compatible endpoints for models including DeepSeek, Llama, and Mistral with pay-as-you-go pricing.

Voice AI APIs for speech-to-text and text-to-speech

Deepgram is a voice AI infrastructure platform providing low-latency speech-to-text, text-to-speech, and conversational AI APIs. Its Nova-3 model delivers industry-leading accuracy for real-time transcription with streaming support, interruption handling, and multi-language capabilities. Used by 1,300+ organizations including Twilio and Vapi, Deepgram powers voice features in applications ranging from call centers to AI agent voice interfaces.

Managed Docker build acceleration with up to 40x faster builds

Depot provides managed infrastructure for dramatically faster Docker image builds. It uses persistent build caches, native Intel and ARM builders, and optimized build scheduling to achieve up to 40x faster builds compared to standard Docker build workflows. Drop-in replacement for docker build that requires no Dockerfile changes. Used by major engineering teams to cut CI/CD pipeline times.

Cloud infrastructure for developers

Cloud infrastructure provider offering Droplets (VMs), managed Kubernetes, app platform PaaS, managed databases (PostgreSQL, MySQL, Redis, MongoDB), Spaces (object storage), serverless functions, and a CDN. Known for developer-friendly docs, simple pricing from $4/month, and a clean API/CLI. Popular with startups and indie devs as a simpler AWS alternative. 1-click marketplace apps and extensive community tutorials.

AI coding agent for embedded systems and firmware engineering

Embedder is a specialized AI coding agent for firmware and embedded systems development. It supports 400+ MCU variants including STM32 and ESP32, parses hardware datasheets to understand register maps and pin configurations, and verifies generated code by interacting with physical boards via serial console. YC S25 participant currently in beta.

Security operations resilience for SOC teams

Fig provides a Security Operations Resilience platform designed for modern SOC teams facing both unplanned and planned changes. Features drift detection to catch unplanned infrastructure changes, automated drift repair with testing, planned change modeling to simulate initiatives before deployment, version control, and automatic deployment with rollbacks. Helps teams maintain security coverage while shipping risk-free at 10x speed and focusing on strategic cyber work.

Design-to-code handoff and CSS generation

Figma Dev Mode is a dedicated workspace within Figma designed specifically for developers to inspect designs, extract code snippets, and access implementation details without navigating the full design environment. It solves the design-to-development handoff problem by providing a focused, code-oriented view with measurements, component properties, design tokens, and ready-to-use code in CSS, iOS, and Android formats.

Unified multi-cloud cost management with MegaBill

Finout unifies cloud costs from AWS, Azure, GCP, Snowflake, and other providers into a single MegaBill dashboard with AI-based anomaly detection for flagging unusual spend patterns. Priced at approximately 1% of cloud spend, it solves the multi-tool cost fragmentation problem for organizations managing complex infrastructure budgets across multiple cloud and SaaS providers.

Run your app close to users

Global application hosting platform that runs full-stack apps, databases, and services close to users in 30+ regions using lightweight Firecracker micro-VMs. Deploy Docker containers or use built-in builders for Rails, Laravel, Django, Node.js, and Go. Features persistent volumes, private networking, auto-scaling, PostgreSQL/Redis managed databases, and a powerful CLI. Ideal for latency-sensitive apps needing multi-region presence. Generous free allowance with pay-as-you-go pricing.

AI-powered resilient mobile test flows

GPT Driver is a mobile app QA tool that uses generative AI to create resilient test flows with self-healing capabilities and broad framework support for cross-platform applications. It leverages AI to handle the non-deterministic nature of mobile UI where elements shift between releases, generating tests that adapt to layout changes rather than breaking on every app update.

Codeless browser testing with visual test recorder and scheduling

Ghost Inspector provides codeless browser testing through a visual recorder that captures user interactions and converts them into automated test suites. Tests run on managed infrastructure with scheduled execution, CI/CD integration, and Slack notifications. Features visual comparison for UI regression detection, API testing, and test organization with folders and tags for managing large test suites.

Pull Requests as a Service with AI + developers

GitStart is a YC-backed platform that delivers merge-ready pull requests by combining AI coding agents with human developer oversight. Teams assign sprint-sized tickets and the AI Ticket Studio converts vague requirements into well-scoped specs, then hybrid agents generate production-ready code through a five-stage quality process with a 98% merge rate reported across customer teams.

Production-grade Terraform modules and infrastructure library

Gruntwork provides a library of battle-tested, production-grade Terraform modules covering AWS, GCP, and Azure infrastructure patterns. Modules handle networking, compute, databases, security, monitoring, and compliance with best practices built in. Terragrunt, their open-source Terraform wrapper with 15k+ stars, adds DRY configuration, remote state management, and multi-account orchestration.

Cloud platform for app deployment

Heroku is one of the original platform-as-a-service providers, letting developers deploy and scale web apps with a simple git push heroku main. Pioneered buildpacks, dyno-based scaling, and the add-on marketplace for managed Postgres, Redis, workers, and observability. Now a Salesforce product supporting Node.js, Ruby, Python, Java, Go, PHP, and custom Docker containers.