Open-source alternatives to popular software
OSS Alternatives covers a small number of proprietary tools in depth rather than a large, shallow directory. Each page below ranks genuinely open-source alternatives by GitHub activity and spells out license, self-hosting, and pricing so you can pick one with confidence.
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Popular alternatives
Short.io
Branded short links with custom domains and analytics
5 alternatives
hCaptcha
Bot protection CAPTCHA with privacy and monetization options
6 alternatives
DeskTime
Employee time tracking and productivity monitoring
6 alternatives
Suite CRM
Open-source CRM suite for sales and marketing
4 alternatives
Digg
Link aggregation and news discovery site
1 alternative
Lyzr
Platform for building enterprise AI agents
2 alternatives
Kdb+
High-performance time-series database for finance
5 alternatives
Amazon Timestream
Managed time-series database on AWS
8 alternatives
Cronitor
Monitoring for cron jobs, websites, and APIs
2 alternatives
Adobe Audition
Professional audio editing and mixing
1 alternative
Wati
WhatsApp business messaging and automation
1 alternative
AWS Aurora
Managed MySQL and PostgreSQL-compatible database
5 alternatives
Monica
AI assistant app across many models
6 alternatives
Amp
AI coding agent from Sourcegraph
9 alternatives
Docuware
Document management and workflow automation
3 alternatives
Enpass
Password manager with local vault storage
8 alternatives
Jira Service Management
IT service management and help desk
1 alternative
Calendesk
Booking and appointment scheduling software
3 alternatives
Last9
Observability platform for metrics, logs, and traces
8 alternatives
HelpDesk
Ticketing system for customer support
6 alternatives
Adobe Commerce
Enterprise ecommerce platform
7 alternatives
Weebly
Drag-and-drop website builder
8 alternatives
Appian
Low-code platform for enterprise process automation
8 alternatives
Supermemory
Memory layer for AI apps
2 alternatives
SerpAPI
Real-time search engine results API
1 alternative
Threema
Privacy-focused secure messenger
1 alternative
Authy
Two-factor authentication app
2 alternatives
MailerLite
Email marketing for small businesses
8 alternatives
Brainscape
Flashcard app with confidence-based repetition
1 alternative
Kajabi
Platform for selling courses and memberships
4 alternatives
Sevalla
Managed platform for deploying apps and databases
7 alternatives
Chromatic
Visual testing and review for UI components
2 alternatives
Knock
Notification infrastructure for product teams
1 alternative
Octoparse
No-code web scraping tool
3 alternatives
Seon
Fraud prevention and AML platform
3 alternatives
MacKeeper
Mac cleaning and optimization utility
3 alternatives
AppCleaner
Free Mac app uninstaller
3 alternatives
Microsoft Azure
Public cloud platform from Microsoft
2 alternatives
Sprites
Persistent sandbox environments for running code and agents
2 alternatives
Google Search
The world's most used web search engine
1 alternative
tawk.to
Free live chat and customer messaging
5 alternatives
Safari
Apple's web browser
8 alternatives
PayPal Braintree
Payment gateway and processing platform
3 alternatives
Neo4j
Graph database platform
2 alternatives
Rewind.ai
Personal AI memory that records your screen
1 alternative
Relevance AI
Platform for building teams of AI agents
3 alternatives
Context.dev
Web data API for AI agents
3 alternatives
Canary Mail
AI-powered email client
4 alternatives
ChatBot
Chatbot builder for customer support
3 alternatives
Redis
In-memory data store and cache
2 alternatives