Open Source Business & Productivity Tools

Alternative toNotion

Centralize wikis, docs, and project tasks in a self-hosted workspace.

• 247 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toNotion

Technical wiki with live metrics, draft reviews, and real-time editing

• 244 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toCleanMyMac

Free up Mac disk space with no account and no telemetry.

• 234 GitHub stars
• MITLicence MIT

Alternative toSuperhuman

Free, extensible open source desktop email client

• 210 GitHub stars
• MPL-2.0Licence MPL-2.0

Alternative toOpenAI Operator

Computer-use agent: desktop, browser, terminal, and iOS automation.

• 191 GitHub stars
• MITLicence MIT
• #AI Agents

InAI & Machine Learning

A floating macOS pager for Claude Code.

• 174 GitHub stars
• GPL-3.0Licence GPL-3.0

Alternative to4K Video Downloader Plus

yt-dlp desktop app with media library, player, and editor

• 174 GitHub stars
• MITLicence MIT

Alternative toSlack

Matrix team chat with a companion identity server

• 171 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Chat

Alternative toMicrosoft Edge

KDE-native file manager and browser with multi-protocol support

• 110 GitHub stars

Alternative to1Password

Self-hosted password manager for teams with enterprise SSO

• 110 GitHub stars
• #Security