Open Source Productivity & Utilities
A curated collection of the best open source everyday desktop and mobile utilities for notes, tasks, files, email, passwords, automation, screen capture, and keeping a machine tidy and fast.
See also:Office SuitesNote Taking & Knowledge ManagementPassword & Secret ManagementScreen Capture & RecordingFile Management & SyncEmail & CommunicationBrowsers & ExtensionsAutomationTime & Task ManagementPersonal Finance ManagementDesign & VisualizationBookmark & Content ManagementRemote Desktop & AccessSystem Cleanup & OptimizationInput & DictationMaps & Navigation
Multi-channel notification infrastructure for apps
Stars
39,644Last commit
4 hours agoLicense
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Open Source Alternative to:
Open source screen recorder with editing and instant sharing
Stars
21,087Last commit
5 hours agoLicense
AGPL-3.0
Record your screen or webcam, edit with backgrounds and effects, then share via link. Built on Rust and Tauri for native performance on macOS and Windows.
Open Source Alternative to:
Structured control layer for customer-facing AI agents
Stars
18,263Last commit
1 month agoLicense
Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
Open Source Alternative to:
Local voice dictation with AI enhancement for macOS
Stars
6,063Last commit
1 day agoLicense
GPL-3.0
Privacy-first dictation app for Apple Silicon Macs that transcribes speech locally, cleans up output with AI, and auto-switches settings per app.
Open Source Alternative to:
Markdown docs wired into tasks, email, and agents
Stars
3,991Last commit
4 hours agoLicense
AGPL-3.0
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Open Source Alternative to:
Keyboard-first email client with AI, chat, and tasks
Stars
3,991Last commit
4 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
Visual workflow automation with code flexibility and AI agents
Stars
202,110Last commit
3 hours agoLicense
Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.
Open Source Alternative to:
Let AI agents control any browser, at scale
Stars
110,240Last commit
22 hours agoLicense
MIT
Python library that lets AI agents browse the web by giving them real browser control, DOM access, and the ability to interact with any website.
Open Source Alternative to:
Collaborative whiteboard with a hand-drawn aesthetic
Stars
130,309Last commit
24 hours agoLicense
MIT
Virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.
Open Source Alternative to:
Self-hosted remote desktop you fully control
Stars
121,576Last commit
1 day agoLicense
AGPL-3.0
Cross-platform remote desktop software that runs on your own servers, giving you full data control as a direct alternative to TeamViewer and AnyDesk.
Open Source Alternative to:
Share files securely across all devices without servers
Stars
89,111Last commit
2 days agoLicense
Apache-2.0
Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery.
Open Source Alternative to:
Mac cleaner, app manager, and system monitor in one
Stars
64,645Last commit
8 hours agoLicense
GPL-3.0
Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.
Open Source Alternative to:
AI workspace for docs, projects, and wikis you control
Stars
75,883Last commit
12 days agoLicense
AGPL-3.0
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open Source Alternative to:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
71,798Last commit
11 hours agoLicense
MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open Source Alternative to:
An independent browser engine built from scratch, not a fork
Stars
65,805Last commit
6 hours agoLicense
BSD-2-Clause
Open source web browser with its own engine, built from scratch without Blink, WebKit, or Gecko. Non-profit backed, no search deals, no user monetization.
Open Source Alternative to:
Free, open-source software for video recording and live streaming
Stars
75,350Last commit
21 hours agoLicense
GPL-2.0
OBS Studio offers high-quality video recording and live streaming capabilities, supporting multiple platforms and providers.
Open Source Alternative to:
Self-hosted timeline for quick notes, logs, and snippets
Stars
62,463Last commit
10 hours agoLicense
MIT
Memos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on your own server.
Open Source Alternative to:
A full desktop environment that runs in your browser
Stars
43,193Last commit
8 hours agoLicense
AGPL-3.0
Puter is a cloud-based desktop OS you run in the browser, with built-in apps, file storage, and support for hosting web apps and sites.
Open Source Alternative to:
Encrypted note-taking that syncs across all your devices
Stars
56,065Last commit
4 hours agoLicense
Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Open Source Alternative to:
Open-source UI design and prototyping for product teams
Stars
59,062Last commit
5 hours agoLicense
MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Open Source Alternative to:
Free instant whiteboard with real-time collaboration
Stars
49,921Last commit
3 hours agoLicense
Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
Open Source Alternative to:
Privacy-focused browser with powerful customization
Stars
44,054Last commit
7 hours agoLicense
MPL-2.0
A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.
Open Source Alternative to:
AI-powered research notebook with full privacy control
Stars
37,405Last commit
7 days agoLicense
MIT
Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.
Open Source Alternative to:
Privacy-first knowledge management with block-level linking
Stars
45,943Last commit
4 hours agoLicense
AGPL-3.0
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
Open Source Alternative to:
Privacy-first knowledge base that connects your notes
Stars
44,574Last commit
5 hours agoLicense
AGPL-3.0
Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.
Open Source Alternative to:
Open-source financial terminal for data-driven insights
Stars
30,541Last commit
4 days agoLicense
AGPL-3.0
Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools
Open Source Alternative to:
Your personal distributed filesystem
Stars
38,836Last commit
26 days agoLicense
AGPL-3.0
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
36,681Last commit
22 days agoLicense
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Open Source Alternative to:
Press a key, speak, release. Text appears instantly.
Stars
30,150Last commit
9 hours agoLicense
MIT
Cross-platform desktop app that transcribes your voice into any text field using a keyboard shortcut, with all processing done locally on your machine.
Open Source Alternative to:
Fast, collaborative wiki for teams who need organized docs
Stars
40,303Last commit
4 hours agoLicense
BUSL-1.1
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Open Source Alternative to:
Fast, AI-native web browser built for automation and scraping
Stars
34,207Last commit
6 hours agoLicense
AGPL-3.0
Purpose-built headless browser that delivers 10x faster performance and 10x lower memory usage compared to Chrome headless for web automation and AI workflows.
Open Source Alternative to:
Secure cloud collaboration platform for organizations
Stars
36,552Last commit
6 hours agoLicense
AGPL-3.0
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
Open Source Alternative to:
Powerful screen capture and file sharing tool for Windows
Stars
39,263Last commit
2 days agoLicense
GPL-3.0
ShareX is a free, open-source program that captures or records any area of your screen and shares it with a single keypress, supporting various file types and destinations.
Open Source Alternative to:
Simple, fast, and secure push notifications for all
Stars
33,702Last commit
3 days agoLicense
Apache-2.0
A lightweight, open-source solution for sending real-time notifications to your devices, with end-to-end encryption and no sign-up required.
Open Source Alternative to:
Track your net worth across accounts and assets
Stars
54,314Last commit
1 year agoLicense
AGPL-3.0
Personal finance tracker that consolidates accounts, investments, and assets into a single net worth dashboard with goal tracking and projections.
Open Source Alternative to:
Save links, notes, and images. AI tags them for you.
Stars
28,560Last commit
1 day agoLicense
AGPL-3.0
Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.
Open Source Alternative to:
Multi-model AI workspace with org-wide skill sharing
Stars
22,974Last commit
3 hours agoLicense
MIT
Desktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.
Open Source Alternative to:
Local-first envelope budgeting with full data ownership
Stars
28,317Last commit
13 hours agoLicense
MIT
Privacy-focused personal finance app using envelope budgeting, multi-device sync, optional end-to-end encryption, and bank sync for US, EU, and UK users.
Open Source Alternative to:
Automate workflows with no-code integration platform
Stars
24,001Last commit
4 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
Automate any website workflow with AI and computer vision
Stars
22,837Last commit
14 hours agoLicense
AGPL-3.0
Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.
Open Source Alternative to:
Local-first, Git-native personal knowledge base with AI
Stars
19,557Last commit
7 hours agoLicense
AGPL-3.0
A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.
Open Source Alternative to:
Procedural vector editor that runs in your browser, no signup needed
Stars
26,905Last commit
6 hours agoLicense
Apache-2.0
A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.
Open Source Alternative to:
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