Best Web Open Source Software

SQL‑first data transformation for modern warehouses

Fast, simple, and powerful static blog generator

Automate time tracking and stay focused

Unified Efficient Fine-Tuning of 100+ LLMs & VLMs

Network-wide ad blocking DNS server for homes and small businesses

Open-source vector search engine for AI-native applications

Self-hostable bookmark-everything app with AI-based tagging

Find social media profiles by username

High‑accuracy open‑source OCR engine for developers and researchers

Composable observability platform

Small, simple, secure in-browser image compression

Command-line double-entry accounting system

Free, open-source self-hosted PaaS for deploying Docker apps with one-click installs and automatic HTTPS.

Decentralised discussion platform for communities

Streamline digital document signing

Simple forum software for building great communities

Open Source Computer Vision Library

Dead man's switch monitoring that alerts you when scheduled cron jobs and backups fail to run.

Cross-platform automation framework for all kinds of apps

Open-source headless CMS for Markdown and Visual Editing

Open-source authentication solution for secure user management

Safe home for all your data

Secure, scalable content management for the enterprise

Stateless password manager