Lexical
Extensible text editor framework from Meta with modular plugins
561 tools in our directory are marked as best for Developers, from 30 sections: Dev Utilities (53), AI Codings (43), CMS & Content (34), AI Models & APIs (33) and 26 more sections.

Extensible text editor framework from Meta with modular plugins

Open source chat interface for many AI model providers

Minimal self-hosted bookmark manager with browser extensions

Self-hosted newsletter and mailing list manager in one binary

Open source chaos engineering platform for cloud native systems

Data framework and document parsing service for LLM apps

Desktop app for running and chatting with local AI models

Terminal log viewer that merges, filters and queries log files

Self-hosted server with an OpenAI-style API for local models

Software localization with AI translation and human review

Free placeholder logo library with SVG and PNG downloads

Open source outliner for linked notes, journals and tasks

Open source auth platform for sign-in, SSO and roles



Email API for sending, receiving and tracking transactional mail

Local SMTP server and web inbox for testing outgoing email

Email API, SMTP and test sandbox for developer and product teams


Open source search database with full-text and vector search

Free open source workspace for snippets, notes and API requests


Free open source marketing automation you can host yourself

Open source proof-of-work CAPTCHA that does not track users

Directory of MCP servers for Claude, Cursor and other AI clients

Open source commerce engine for online stores and B2B sales

Open source search engine with instant results and hybrid AI search


Memory layer that helps AI apps remember users across sessions

Free distributed version control that handles projects of any size

Connects AI agents and apps to company data and tools


Online editor for writing and previewing Mermaid text diagrams

Microsoft cloud platform for hosting apps, data and AI

Relational database from Microsoft with built-in AI features

Plugin-driven WYSIWYG Markdown editor framework

Runs a small Kubernetes cluster on your own computer for testing


Open-weight AI models you can host, tune and run yourself

Free interactive HTTPS proxy to inspect and modify web traffic

Generate realistic test data as CSV, JSON, SQL or Excel

Open standard for connecting AI apps to tools and data sources

Open source web application firewall engine used with OWASP rules

The code editor that powers VS Code, for web pages


Serverless cloud data warehouse built on DuckDB

Video API for streaming, analyzing and transforming video

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