Open-Source Websites & Tools

UrBackup supports open-source client/server backups for Windows and Linux, according to its project page.

Framadate helps groups schedule meetings and make decisions through online polls.

Available on web, iOS, Android, and desktop, Proton Mail is an encrypted email service that offers free accounts.

A curated list of engineering-related video games rated Very Positive or higher on Steam.

Follow developer news, trending GitHub repositories, and technology conferences with Hackertab.

Safe Notes is an encrypted private note manager, providing a place to keep written information in protected form.

C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

Coordinate threat intelligence processing and analysis at scale with IntelOwl, an open-source project.

This Chrome extension adds user-provided subtitles to videos on platforms including Disney+, Netflix, and YouTube.

Discover subdomains and review DNS history through the Columbus subdomain discovery service.

Bitwarden stores and syncs passwords and passkeys through browser extensions, desktop and mobile apps, and a web vault. It offers free accounts and paid personal and business plans.

Proton Mail users can access their accounts through this unofficial desktop application.

Free, open-source ad blocker for Safari on iPhone, iPad and Mac.

This repository collects tools for live streaming, including software for broadcast, video, audio, and production workflows.

Awesome CLI provides a command-line tool for browsing and exploring Awesome lists.

Track PC game achievements, playtime, and screenshots with Achievement Watcher, including games from Steam and emulators.

This repository contains plugins for Umi-OCR, including components that add OCR engines.

Discover developer news, tools, jobs, and events from a browser extension for Chrome and Firefox.

The KOReader plugin updates reading status in a user's Hardcover.app account.

Brief adds RSS and Atom feed reading to Firefox, with news feeds as the intended content in its project description.

BentoPDF’s JavaScript project covers PDF conversion, editing, generation, OCR, tools, and viewing.

Convert audio recordings to MIDI with Basic Pitch, an open-source tool from Spotify.

uBlacklist blocks selected websites from appearing in Google search results.

The Altus desktop client packages WhatsApp Web with themes and notifications, providing a desktop interface for messaging.