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Open Source Alternatives to Popular Software
Over 1 million users replaced their proprietary tools with open source software. Discover the best alternatives and join the movement.
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Cline
Open-source AI coding agent with frontier models
Stars
57,044
Forks
5,630
Last commit
24 hours ago 
Novu
The open source Inbox component and notification platform
Stars
38,460
Forks
4,202
Last commit
2 days ago 
Postiz
AI-powered social media management platform
Stars
26,139
Forks
4,452
Last commit
3 days ago 
Dub
Link management for modern marketing teams
Stars
22,927
Forks
2,813
Last commit
1 day ago 
Parlant
Build compliant customer-facing AI agents with control
Stars
17,570
Forks
1,482
Last commit
2 days ago 
Cap
Open source screen recording with instant sharing
Stars
16,571
Forks
1,187
Last commit
2 days ago 
Hanko
Secure, passwordless authentication for modern web apps
Stars
8,749
Forks
1,013
Last commit
2 days ago 
OpenPanel
Privacy-first analytics with powerful insights
Stars
5,159
Forks
294
Last commit
2 days ago 
Tolgee
Effortless localization for modern web applications
Stars
3,747
Forks
330
Last commit
12 hours ago 
Keila
Open-source email marketing for the privacy-conscious
Stars
1,962
Forks
136
Last commit
3 days ago 
Comp AI
Get SOC 2, ISO 27001 or HIPAA compliant in 4 weeks
Stars
1,328
Forks
238
Last commit
1 day ago 
Probo
Open source compliance automation platform
Stars
931
Forks
119
Last commit
1 day ago 
Openlane
Open source compliance automation and risk management
Stars
191
Forks
37
Last commit
1 day ago 
n8n
AI-powered workflow automation for technical teams
Stars
170,466
Forks
53,889
Last commit
11 hours ago 
Langflow
Visual builder for AI-powered applications and workflows
Stars
144,085
Forks
8,341
Last commit
1 day ago 
Dify
AI-powered app creation without coding complexities
Stars
126,711
Forks
19,738
Last commit
23 hours ago 
Open WebUI
Extensible, self-hosted AI interface for your workflow
Stars
121,344
Forks
17,113
Last commit
2 days ago 
Excalidraw
Collaborative whiteboarding with a hand-drawn feel
Stars
114,852
Forks
12,219
Last commit
1 day ago 
RustDesk
Secure, fast, and open-source remote desktop software
Stars
106,106
Forks
15,704
Last commit
18 hours ago 
OpenCode
AI coding agent with native terminal interface
Stars
82,067
Forks
7,304
Last commit
11 hours ago 
Godot
Create 2D & 3D games with complete creative freedom
Stars
105,677
Forks
24,103
Last commit
2 days ago 
Supabase
Open-source Firebase alternative for modern app development
Stars
96,507
Forks
11,307
Last commit
23 hours ago 
Immich
Self-hosted photo and video backup solution
Stars
89,569
Forks
4,762
Last commit
23 hours ago 
Browser Use
AI-powered browser automation for seamless web interactions
Stars
75,852
Forks
9,053
Last commit
3 days ago 
Firecrawl
Blazing-fast web crawling for modern developers
Stars
76,373
Forks
5,788
Last commit
1 day ago 
LobeChat
Your personal AI assistant for enhanced productivity
Stars
70,374
Forks
14,439
Last commit
23 hours ago 
Uptime Kuma
Self-hosted monitoring tool for websites and services
Stars
81,705
Forks
7,289
Last commit
2 days ago 
ElasticSearch
The leading distributed search and analytics engine
Stars
75,926
Forks
25,797
Last commit
24 hours ago 
OpenHands
Open-source platform for scalable cloud coding agents
Stars
66,838
Forks
8,310
Last commit
24 hours ago 
Zed
Code at the speed of thought with AI collaboration
Stars
73,721
Forks
6,670
Last commit
23 hours ago 
LocalSend
Share files securely across all devices without servers
Stars
73,593
Forks
3,930
Last commit
10 days ago 
Flowise AI
Build AI agents and workflows with visual drag-and-drop
Stars
48,417
Forks
23,625
Last commit
23 hours ago 
Hoppscotch
Sleek, intuitive API development and testing platform
Stars
77,612
Forks
5,532
Last commit
2 days ago 
Apache Superset
Modern data exploration and visualization platform
Stars
70,182
Forks
16,552
Last commit
24 hours ago 
Grafana
Open source analytics and monitoring solution
Stars
71,801
Forks
13,377
Last commit
23 hours ago 
Crawl4AI
Open-source web crawler optimized for AI and LLMs
Stars
58,817
Forks
5,990
Last commit
2 days ago 
Odoo
All-in-one business management suite for modern enterprises
Stars
48,561
Forks
31,165
Last commit
23 hours ago 
Ladybird
A truly independent web browser backed by a non-profit
Stars
57,756
Forks
2,611
Last commit
1 day ago 
AppFlowy
Your personal workspace for seamless note-taking and planning
Stars
67,638
Forks
4,850
Last commit
10 days ago 
NetData
Real-time monitoring for systems and applications
Stars
77,439
Forks
6,310
Last commit
23 hours ago 
Strapi
Craft and manage content with ease and flexibility
Stars
71,030
Forks
9,383
Last commit
2 days ago 
Affine
Collaborative knowledge creation and management platform
Stars
62,032
Forks
4,289
Last commit
2 days ago
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