All Open Source Apps
Every app scored on repo health, technical quality, and dependency risk — before you install anything.
Category
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EspoCRM
CRM · Ecommerce · Marketing
Open-source CRM platform with metadata-driven customization, field-level permissions, and a full REST API — deploy on your own infrastructure.
Nextcloud Server
Collaboration · File Storage
Your own private cloud: self-hosted file sync, collaboration, and communication with no vendor lock-in.
Cozy Stack
File Storage · Productivity
Self-hosted personal cloud platform that unifies your files, apps, and devices in one private space you fully control.
Kimai
Invoicing Finance · Project Management
Professional open-source time tracking with invoicing, multi-user support, SAML/LDAP auth, and a full REST API—self-host it or use the cloud.
ToolJet
AI Agents · Low Code Platforms · No Code Platforms
Open-source AI-native platform to build and deploy internal tools, workflows, and AI agents with a visual drag-and-drop builder and 80+ data source integrations.
Fleetbase
Logistics
Modular open-source logistics and supply chain operating system
FreeScout
Customer Support
Run your own help desk and shared inbox — a fully self-hosted, open-source alternative to Zendesk and Help Scout with no per-agent fees.
RustDesk
Networking
Open-source, self-hosted remote desktop built in Rust — your data, your infrastructure, no third-party cloud.
Teleport
Authentication · Security
Zero-trust infrastructure access platform that replaces credentials and VPNs with short-lived certificates, SSO, and identity-aware proxies for SSH, Kubernetes, databases, RDP, and AI agents.
ZITADEL
Authentication
Open-source, API-first identity platform delivering multi-tenancy, Passkeys, OIDC, SAML, and SCIM without vendor lock-in.
Coder
Code Editors · Developer Tools · Devops
Self-hosted cloud development environments and AI coding agents — defined in Terraform, connected via WireGuard, automatically shut down when idle.
Pixelfed
Social Media
A decentralized, self-hosted photo sharing platform built on ActivityPub for the open Fediverse.
Pyroscope
Developer Tools · Devops · Monitoring
An open-source, horizontally scalable continuous profiling platform that pinpoints CPU, memory, and I/O bottlenecks down to the exact line of code, built by Grafana Labs alongside Loki, Tempo, and Mimir.
SillyTavern
AI Assistants
The power-user LLM frontend that unifies dozens of AI backends with a rich scripting engine, immersive Visual Novel mode, and a thriving extension ecosystem.
Unkey
Developer Tools
An open-source developer platform for API infrastructure — issue and verify API keys, enforce global rate limits, route traffic through a gateway, and get per-key analytics and audit logs.
Leantime
Collaboration · Productivity · Project Management
Project management built for ADHD, autism, and dyslexia — simple as Trello, powerful as Jira
LearnHouse
CMS · Learning Management
Open-source LMS with AI tutoring, real-time collaboration boards, live code execution, and built-in course monetization — self-hosted in minutes.
Omnivore
Bookmarks Archiving · Knowledge Management · Note Taking
Self-hosted read-it-later platform with highlights, newsletters, PDFs, and seamless Obsidian and Logseq integration.
Passbolt API
Password Manager · Security
Self-hosted, end-to-end encrypted password manager API built for teams who demand full ownership of their credentials.
Twake Drive
Collaboration · File Storage
Open-source, self-hosted file manager with collaborative drives, AI-powered summarization, and OnlyOffice document editing for teams who want full data sovereignty.
Fider
Customer Support · Product Management
Open-source feedback portal where customers submit, vote on, and track feature requests so product teams build what actually matters.
Lemmy
Community · Social Media
Federated, self-hosted Reddit alternative with full community ownership and no corporate control.
ParadeDB
Analytics · Databases · Search
Born out of Y Combinator's S2023 batch, ParadeDB is a Postgres extension that delivers Elasticsearch-quality BM25 search and real-time analytics without a separate search cluster to manage.
Skyvern
AI Agents · Automation
Skyvern (YC S2023) automates browser-based workflows by pairing LLMs with computer vision, letting agents click, fill, and extract data on sites they've never seen, without brittle XPath selectors that break on every layout change.