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Thoughtful open-source alternatives for the software you use every day.

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Independently curated. Comparisons describe overlapping use cases.

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Sundev — Open-Source Directory & Deals620 curated projects

Find the best open-source alternative.

Sundev helps you discover verified open-source alternatives to proprietary software and developer freebies.

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All appsAIDeveloper ToolsDesignProductivityVideoPrivacyMore…
Popular:
PhotoshopNotionCapCutChatGPTDockerPocketBase

Editor’s picks

Curated standouts from the open-source community.

All apps
Productivity

wordcraft

An open-source, clean-room reimplementation of Microsoft Word in pure Rust - storytold/wordcraft

WordCraft with the Home tab of the ribbon open over a two-page document titled T

wordcraft

Alternative to Zapier

Communication

Livekit

LiveKit is an open source platform for developers building realtime media applications.

Official project website imagery

Livekit

Alternative to Twilio

Design

Penpot

Where great design meets open possibilities.

penpot screenshot

Penpot

Alternative to Figma

Explore live catalog

Real-time open-source discovery filtered by community activity.

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VoiceStudio

A local-first studio for voice, speech, and storytelling.

Alternative to ElevenLabs
53.6K·AI·macOS↗ 14.7K this week

Paperclip

Bring your agents, tasks, and work into one place.

Alternative to Devin team workflows
97.5K·AI·Web↗ 8.7K this week

HyperFrames

Write HTML. Render video. Bring ideas into motion.

Alternative to After Effects motion workflows
57.2K·Video·macOS↗ 3.1K this week

Yoinks

A simple way to download video from your terminal.

Alternative to 4K Video Downloader
4.6K·Utilities·macOS↗ 2.4K this week

T3 Code

One thoughtful interface for the coding agents you use.

Alternative to Conductor
25.5K·Developer Tools·Web↗ 1.3K this week

Caddy

A powerful web server with HTTPS built right in.

Alternative to NGINX Plus web serving
77K·Developer Tools·macOS↗ 358 this week

The Open family

Projects that carry “Open” in their name.

All 65

OpenClaw

Your assistant, on your devices and in your chats.

Alternative to ChatGPT personal assistant workflows
391.4K·AI·Web

OpenCode

An AI coding agent that feels at home in your terminal.

Alternative to Claude Code
211.9K·Developer Tools·macOS

Open WebUISource-available

A beautiful, self-hosted home for your AI models.

Alternative to ChatGPT interface
154K·AI·Web

OpenDesign

From a design brief to files you can keep.

Alternative to Claude Design
99.5K·Design·Web

OpenCut

Your stories. Your editor. No subscription required.

Alternative to CapCut
92.6K·Video·Web

OpenHands

AI agents that help bring your software ideas to life.

Alternative to Devin
90K·AI·Web

Trending this week

Top growing and most active open-source projects.

See all
#ProjectCategoryThis weekStars
  1. 1VoiceStudiodebpalash/VoiceStudioAI+14.7K53.6K
  2. 2Paperclippaperclipai/paperclipAI+8.7K97.5K
  3. 3HyperFramesheygen-com/hyperframesVideo+3.1K57.2K
  4. 4Yoinkspablostanley/yoinksUtilities+2.4K4.6K
  5. 5T3 Codepingdotgg/t3codeDeveloper Tools+1.3K25.5K
  6. 6Caddycaddyserver/caddyDeveloper Tools+35877K

Categories

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Design

13 curated apps →

Productivity

53 curated apps →

Finance

19 curated apps →

Fitness

2 curated apps →

Privacy

31 curated apps →

Utilities

46 curated apps →

Audio & Music

6 curated apps →

Games

8 curated apps →

Home & Network

13 curated apps →

UI

0 curated apps

Popular

Most-starred projects in the collection.

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OpenClaw — EXFOLIATE! EXFOLIATE! Your AI assistant, running on your own devices.

Moltbot

WhatsApp gateway CLI with Pi RPC agent - self-hosted AI-powered messaging platform

Alternative to Slack
392.3K·AI·Web
OpenClaw — EXFOLIATE! EXFOLIATE! Your AI assistant, running on your own devices.

OpenClaw

Your assistant, on your devices and in your chats.

Alternative to ChatGPT personal assistant workflows
391.4K·AI·Web
REA launching its analysis bridge inside Hopper while inspecting a native binary

rea

Reverse engineer anything with agents, from app behavior down to native binaries.

Alternative to ChatGPT
324.6K·AI·Web

Well reviewed

Established apps with published user ratings.

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OpenCart

A self-hosted online shop

4.3153 reviews · Capterra

Reviewers highlight product, order, and customer management in an extensible online store.

8.2K GitHub starsExplore app

OpenSCAD

Code-driven, parametric 3D parts

4.03 reviews · Capterra

A small review sample for a script-based CAD workflow. Consider it alongside the official documentation and your own modeling needs.

10.4K GitHub starsExplore app

OpenShot

Everyday videos and first-time editors

4.3176 reviews · Capterra

Reviewers value accessible editing and cross-platform use. Some report slow rendering and limited advanced features.

Feedback notes · G2
6.6K GitHub starsExplore app
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