Free
Dillinger
Open SourceMarkdown · PDF & Documents
Online Markdown editor with live preview and cloud sync.
markdowneditorpreview
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Markdown · PDF & Documents
Online Markdown editor with live preview and cloud sync.
Headless CMS · Backend
Open-source data platform that wraps any SQL database with APIs.
Frameworks · Backend
Batteries-included Python web framework with admin and ORM.
Containers · DevOps
The world's largest container image registry.
Documentation Generators · PDF & Documents
React-based static site generator optimized for documentation.
Self-Hosted PaaS · Cloud Platforms
Mini-Heroku powered by Docker: push-to-deploy on your own server.
NoSQL · Database
Modern Redis-compatible in-memory store built for multicore (trending).
Migrations & ERD · Database
Visual tool for creating and collaborating on database diagrams.
Inspiration & Galleries · Design & Prototyping
The designer showcase community — millions of shots for visual style exploration and hiring.
ORMs · Backend
Lightweight, SQL-like TypeScript ORM with zero dependencies.
Relational · Database
Fast in-process analytical (OLAP) SQL database, like SQLite for analytics.
Search Engines · Database
Distributed search and analytics engine built on Apache Lucene.
Desktop Apps · Frontend
The framework behind VS Code and Slack for cross-platform desktop apps.
UI Libraries · Frontend
The classic Element UI rebuilt for Vue 3 — battle-tested desktop-first enterprise components.
Models & LLM APIs · AI for Developers
Leading AI voice generation and speech-to-text APIs.
Programming Languages
Official Elixir language website built on the Erlang VM.
Logs & Metrics · Monitoring & Observability
Elasticsearch, Logstash and Kibana for log ingestion and search.
Editors & IDEs · Development Environment
Extensible, customizable GNU editor and computing environment.
Time & Cron · Developer Utilities
Convert Unix timestamps to human dates and back.
Build & Lint · Frontend
Extremely fast JavaScript/TypeScript bundler and minifier in Go.
Build & Lint · Frontend
The pluggable linting utility for JavaScript and TypeScript.
Firmware · IoT & Embedded
Build custom firmware for ESP boards from simple YAML — sensors, automations and Home Assistant integration.
Web3 Libraries · Web3 & Blockchain
The classic complete Ethereum library — wallet, providers, contracts and utilities for JS and TypeScript.
Wallets & Infrastructure · Web3 & Blockchain
The Ethereum block explorer — verify contracts, read transactions and use its well-known API from any dApp.