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
HomeKit
Apple smart home framework
4 alternatives
Bento.me
Link-in-bio page builder
3 alternatives
Google Meet
Video conferencing from Google
3 alternatives
Vercel AI Gateway
Unified API for routing requests across AI model providers
5 alternatives
Fauna
Serverless document-relational database
5 alternatives
DataForSEO
SEO data APIs for search results, keywords, and backlinks
1 alternative
Glide
No-code app builder from spreadsheets and databases
9 alternatives
Affonso
Affiliate program platform for SaaS founders
1 alternative
Twingate
Zero trust network access and VPN replacement
6 alternatives
Guilded
Chat platform for gaming communities
8 alternatives
Tavily
Search and web data API for AI agents
4 alternatives
Productboard
Product management and customer feedback platform
5 alternatives
Anchor Browser
Cloud browser infrastructure for AI agents
5 alternatives
Okta
Identity and access management platform
14 alternatives
Zoho
Suite of business, CRM, and productivity apps
2 alternatives
SocialPilot
Social media scheduling and management for teams and agencies
3 alternatives
GitBook
Documentation platform for teams and products
3 alternatives
Medium
Online publishing platform for writers and readers
7 alternatives
Paessler PRTG Monitor
Network and infrastructure monitoring software
6 alternatives
Userflow
Product onboarding tours, checklists, and in-app guidance
1 alternative
Apple AirDrop
Wireless file sharing between nearby Apple devices
2 alternatives
Any.do
To-do list, tasks, and daily planner
12 alternatives
Cloudflare Turnstile
Free, privacy-friendly CAPTCHA alternative
6 alternatives
Klaviyo
Email and SMS marketing automation for ecommerce
6 alternatives
Humanloop
LLM evaluation, prompt management, and observability platform
9 alternatives
Navicat
Database management and development GUI
5 alternatives
Jotform
Online form builder with templates and integrations
6 alternatives
Tana
AI-powered knowledge graph and notes workspace
12 alternatives
LangChain
Framework for building LLM-powered applications and agents
7 alternatives
Carrd
Simple one-page website builder
3 alternatives
Pinecone
Managed vector database for AI applications
9 alternatives
Pipedream
Developer-friendly workflow automation and integrations
11 alternatives
Humblytics
Website analytics and A/B testing for marketers
14 alternatives
Msty Studio
Desktop app for chatting with local and cloud AI models
10 alternatives
Xero
Cloud accounting software for small businesses
4 alternatives
PandaDoc
Document automation, proposals, and e-signatures
5 alternatives
BigQuery
Serverless data warehouse for analytics at scale
6 alternatives
Amazon Alexa
Voice assistant for smart home control and daily tasks
2 alternatives
ElasticSearch
Distributed search and analytics engine
18 alternatives
Clay
Data enrichment and outbound sales automation
5 alternatives
Valentina Studio
Database administration, query, and reporting tool
6 alternatives
Nuclino
Team wiki and collaborative workspace
11 alternatives
Qoder
Agentic coding platform and AI-native IDE
7 alternatives
Smartsheet
Spreadsheet-style project and work management
8 alternatives
PlanetScale
Managed MySQL and Postgres database platform
8 alternatives
Doodle
Meeting scheduling polls and booking pages
3 alternatives
Bitly
Link shortener with analytics, QR codes, and link management
5 alternatives
Wix
Website builder with hosting, templates, and ecommerce
9 alternatives
Google Assistant
Voice assistant for smart home control and everyday tasks
2 alternatives
Final Cut Pro
Professional video editing software for Mac
5 alternatives