Free, self-hosted alternatives to the SaaS you already pay for
A curated directory of open source tools you can run yourself. Get the best new picks weekly, or jump straight into the directory.
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135+ open source SaaS alternatives, curated and updated regularly.
Keploy
Open-source tool that records real API traffic and replays it as tests with auto-generated mocks for databases and external services.
OpenPost
OpenPost helps solo founders prepare, adapt, review, schedule and track social posts. Hosted and self-hosted options.
Nuclei
Fast, customizable vulnerability scanner powered by YAML templates
Onyx
Open-source AI platform for enterprise search across company data
Navidrome
Self-hosted music streaming server for your personal library
Cap
Open-source screen recorder with instant sharing and a built-in editor
Super Productivity
Task manager with time tracking, timeboxing, and focus mode
Bagisto
Open-source Laravel eCommerce and multi-vendor marketplace platform
Krayin
Self-hosted CRM built with Laravel for sales and lead management
ToolJet
Low-code platform for building internal tools and business apps
Memos
Self-hosted personal timeline for quick notes and snippets
Logseq
Privacy-first knowledge management platform with linked notes
KeePassXC
Cross-platform, secure password manager with a local encrypted database
Pulumi
Infrastructure as code in general-purpose programming languages
Airbyte
Open-source data movement platform for ELT pipelines
DBeaver
Free universal database tool and SQL client for every major database
InfluxDB
Purpose-built time series database for metrics, events, and real-time analytics
SearXNG
Privacy-first metasearch engine that aggregates results with no tracking
Weblate
Web-based continuous localization platform with Git integration
Dragonfly
Modern, multi-threaded in-memory data store compatible with Redis
Bruno
Fast, offline-first, open-source API client and testing tool
Element
Secure, decentralized messaging client built on the Matrix protocol
Temporal
Durable execution platform for building reliable distributed applications
Zed
High-performance, multiplayer code editor built for speed and AI
Mastodon
Self-hosted, federated microblogging social network
Jellyfin
Self-hosted media server for movies, music, and TV shows
Ollama
Run large language models locally on your own machine
Qdrant
High-performance vector database and search engine for AI applications
ClickHouse
Column-oriented database for real-time analytics on massive datasets
OpenSEO
Open source alternative to Semrush and Ahrefs — keyword research, rank tracking, backlinks, and site audits, with a built-in MCP server for AI agents.