Top PWA GitHub Repositories & Tools (2026)

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.

Self-hosted family planner - tasks, calendars, shopping, meals, budget. Your data, your server.

Open-source GEO content engineering and multi-site distribution platform with AI quality inspection, illustrated admin help, hosted sites, browser-assisted publishing, and signed updates.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

Open Source HR and Payroll Software

Free, open-source Mac app that finds what Docker, node_modules, old IDEs and duplicate files leave behind.

Open-source, AI-native knowledge base & Evernote alternative with native MCP. Zero-cost on Cloudflare or Docker.

Free real-time audio effects for music listening: EQ, tube amp, AM radio, visualizer, and 100+ more. Web/PWA, desktop, Chrome/Edge extension, VST3.

Deliver web apps with confidence 🚀

A Progressive Web App for local file sharing

API Documentation Browser

A minimalistic opinionated Mastodon web client

A browser-based P2P chat and file transfer app with integrated screen sharing, powered by WebRTC.

Kiwix JS Offline Browser implemented as a Progressive Web App (PWA), and packaged as Electron, NWJS and UWP apps for Windows, Linux and macOS..

Group Office groupware and CRM

Open-source, self-hosted workspace with installable tools. Mail, boards, docs, chat, todos, files, calendar, and video rooms. Deploy with ONCE, Kamal, or Docker.

Your day, at a glance

Self-hosted menstrual cycle tracker. Privacy-first, Docker-ready, beautiful. Track periods, predict cycles, own your health data.

Privacy-focused AI conversation platform for chat, coding, research, and documents.

Tasks, copy, schedules, suppliers and files for every project you run. Self-hosted, one container, one file to back up.