Productivity & Workflow

Modern data pipeline orchestration with built-in AI

Mage AI is an open-source data pipeline orchestration tool positioned as a modern alternative to Apache Airflow. It provides a visual pipeline editor, native AI integrations for generating pipeline code, real-time streaming support, and built-in data quality checks. Mage handles batch and streaming workloads with a developer-friendly notebook-style interface and deploys to any cloud provider.

Open-source feature flags and remote configuration

Flagsmith is an open-source feature flag and remote config platform with 15+ SDKs, a clean REST API, and simple Docker deployment. It supports boolean, multivariate, and string flags with segment-based targeting, A/B testing via flag variations, and environment-based workflows. Flagsmith provides a straightforward self-hosted alternative to LaunchDarkly with full API-first design under a BSD-3-Clause license.

Open-source feature flags and A/B testing platform

GrowthBook is an open-source platform for feature flags, A/B testing, and product experimentation. It includes Bayesian and frequentist statistics engines, warehouse-native analytics connecting to BigQuery, Snowflake, and Databricks, and SDKs for 15+ languages. GrowthBook supports targeting rules, gradual rollouts, and an MCP server for AI agent integration. Self-hostable via Docker.

Python web framework with HTMX, no JavaScript needed

FastHTML is an open-source Python web framework by Answer.AI that renders HTML directly from Python functions using HTMX. It eliminates the JavaScript build step entirely, letting developers create interactive web apps with pure Python. FastHTML is designed for AI demo apps, admin tools, and internal tooling where full-stack simplicity matters more than SPA complexity. Built by Jeremy Howard's team.

Open-source platform for building API integrations

Nango is an open-source API integration platform that handles OAuth authentication, data synchronization, and proxying for 700+ APIs in a single self-hostable package. It manages token refresh, rate limiting, field mapping, and webhook syncing so developer teams can connect AI agents and products to external services in hours instead of weeks. Backed by Y Combinator W23 with $7.5M in funding.

Ultra-fast desktop apps with TypeScript, Bun, and Zig

Electrobun is an open-source cross-platform desktop app framework that combines TypeScript with Bun runtime and Zig for native performance. It produces 12MB base installs versus hundreds of MB for Electron, while maintaining full web technology compatibility. Electrobun uses the system's native webview instead of bundling Chromium, delivers sub-second cold starts, and provides native OS integrations through a Zig bridge layer.

Full-text and vector search engine in under 2KB

Orama is a complete search engine and RAG pipeline that runs in browsers, servers, and edge environments in under 2KB. It provides full-text search, vector search, and hybrid search with built-in faceting, filters, geo-search, and typo tolerance. Orama requires no external dependencies and works entirely client-side for instant search experiences, or server-side with Node.js and Deno for larger datasets.

Extremely fast Python type checker written in Rust

ty is an extremely fast Python type checker built in Rust by Astral, the team behind Ruff and uv. It performs full type inference, supports PEP 695 type parameter syntax, and checks Python code orders of magnitude faster than mypy or pyright. ty completes the Astral Python toolchain alongside Ruff for linting and uv for package management, giving developers a unified Rust-powered development experience.

Adaptive web scraping library with anti-bot evasion and smart selectors

Scrapling is a Python web scraping library that uses adaptive selectors and anti-bot evasion techniques to extract data from websites reliably. It generates selectors that survive website layout changes by understanding element context rather than relying on brittle CSS paths. Features stealth browser automation, automatic retry logic, and proxy rotation. Over 34,500 GitHub stars.

No-code AI web scraping platform with visual workflow builder

Maxun is a no-code web scraping platform that uses AI to extract structured data from websites through a visual workflow builder. Users point and click on the data they want to extract, and Maxun generates resilient scraping workflows that handle pagination, authentication, and dynamic content. Features anti-bot detection avoidance, scheduled runs, and API access for integration. Over 15,300 GitHub stars.

Cross-machine dotfile manager with template support and encryption

Chezmoi manages dotfiles across multiple machines with template support for machine-specific configuration, secret encryption, and integration with password managers. It handles the complexity of maintaining consistent development environments across work laptops, personal machines, and servers. Over 15,000 GitHub stars with support for 1Password, Bitwarden, LastPass, and gpg encryption.

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.

Kubernetes ChatOps bot for Slack, Teams, and Discord

Botkube is a Kubernetes ChatOps platform that brings cluster management into Slack, Microsoft Teams, and Discord. It provides real-time alerts for cluster events, enables kubectl command execution from chat, and supports automated workflows triggered by Kubernetes resource changes. Features plugin architecture for extensibility and RBAC-based access control for team collaboration.

RAG-based document QA with multi-user support and agent reasoning

Kotaemon is an open-source RAG-powered document question-answering interface backed by Cinnamon AI. It supports multi-user workspaces with access controls, advanced retrieval pipelines including hybrid search and knowledge graph extraction, and agentic reasoning for complex multi-step queries. The web UI handles PDFs, Office documents, and images with citations pointing to exact source passages, making it suitable for both individual research and team knowledge management.

Self-hosted collaborative wiki and documentation platform

Docmost is an open-source collaborative wiki offering real-time editing, spaces with granular permissions, page history, and rich diagram support via Draw.io, Excalidraw, and Mermaid. Designed as a self-hosted Confluence and Notion alternative for teams needing data sovereignty, it provides nested pages, comments, and full-text search. Over 19,700 GitHub stars and 52 releases demonstrate strong community adoption.

Kanban board with isolated workspaces for AI coding agents

Vibe Kanban bridges project management and AI coding agents by providing kanban-style issue tracking with dedicated workspaces where agents like Claude Code, Codex, and Gemini CLI execute tasks. Each workspace gets its own Git branch, terminal, dev server, and preview environment through Git Worktrees isolation. Developers can review diffs, leave inline comments, and manage 10+ parallel coding sessions from a single Rust-powered interface with a local-first SQLite architecture.

Email API service that gives AI agents their own inboxes and identities

AgentMail is a YC S25 startup that provides email infrastructure specifically designed for AI agents. It gives each agent its own email address and inbox, enabling agents to send, receive, and manage email conversations independently. With $6 million in seed funding from General Catalyst and Paul Graham, and over 500 B2B customers, AgentMail solves the identity and communication gap that arises when organizations deploy autonomous agents that need to interact via email.

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.

ByteDance's open-source multimodal desktop agent with vision-based GUI automation

UI-TARS Desktop is ByteDance's open-source multimodal AI agent that automates desktop and browser interactions using computer vision rather than DOM selectors or accessibility APIs. Powered by the UI-TARS vision model, it can understand and operate any graphical interface by looking at screenshots, making it capable of automating applications that traditional browser automation tools cannot reach, including native desktop apps and complex web UIs.

Find unused files, dependencies, and exports in JavaScript and TypeScript projects

Knip is an open-source CLI tool that detects unused files, dependencies, devDependencies, and exports in JavaScript and TypeScript codebases. It analyzes the full dependency graph to identify dead code that accumulates over time — especially relevant for AI-generated codebases where unused artifacts pile up faster than manual cleanup can handle. With over 10,800 GitHub stars, it has become a standard code hygiene tool in the JS/TS ecosystem.

Open-source financial data platform for quants, analysts, and AI agents

OpenBB is an open-source financial data platform that normalizes data from 100+ providers into a unified Python SDK, REST API, and Excel Add-in. It serves as the open-source alternative to Bloomberg Terminal for developers building fintech applications, quantitative research pipelines, and AI-powered financial analysis tools. With over 65,000 GitHub stars and SOC 2 Type II certification, it is one of the most popular open-source developer tools for financial data.

Hunt down social media accounts by username across 400+ platforms

Sherlock is a Python CLI tool that searches for a given username across 400+ social networks and websites simultaneously. It is widely used in OSINT investigations, security audits, red teaming exercises, and digital footprint analysis. Sherlock is included in Kali Linux and Parrot Security distributions and has over 76,000 GitHub stars, making it one of the most popular open-source security tools.

Conversational data analysis with natural language queries over databases

PandasAI enables natural-language queries against databases, data lakes, CSVs, and parquet files using LLMs and RAG pipelines. With 23,400+ GitHub stars, it bridges the gap between database tools and AI by letting developers and analysts interact with data conversationally, supporting SQL, PostgreSQL, and various file formats.

Incremental parsing system powering code intelligence in AI editors

Tree-sitter is an incremental parsing library with 19,000+ GitHub stars used by Cursor, Neovim, GitHub, and Helix for real-time syntax analysis. It generates concrete syntax trees that update incrementally as code changes, enabling AI code editors to understand program structure for intelligent completions, refactoring, and code navigation.