Awesome Oss Alternatives

Cerbos is an open-core authorization management platform for authorizing every identity and governing every action across applications, gateways, workloads, and AI agents.

High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.

Privacy and Security focused Segment-alternative, in Golang and React

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Open source APM: OpenTelemetry traces, metrics, and logs

Build data pipelines, the easy way 🛠️

Developer & translator friendly web-based localization platform

Boost Note is a document driven project management tool that maximizes remote DevOps team velocity.

Open source Firebase + Heroku to develop, scale and secure serverless apps on Kubernetes

🔥 LimeSurvey – A powerful, open-source survey platform. A free alternative to SurveyMonkey, Typeform, Qualtrics, and Google Forms, making it simple to create online surveys and forms with unmatched flexibility.

The fastest ⚡️ way to build data pipelines. Develop iteratively, deploy anywhere. ☁️

A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp.

Deprecated: See README

Towhee is a framework that is dedicated to making neural data processing pipelines simple and fast.

TerminusDB is a distributed, collaborative database designed for building, sharing, versioning, and reasoning on structured data.

The open source and enterprise-ready webhooks service 🦀

LFX Community Data Platform (CDP)

Ongoing Storj v3 development. Decentralized cloud object storage that is affordable, easy to use, private, and secure.

An open source issue management & help desk solution. A zendesk & jira alternative

Build apps that AI can generate, humans can review, and teams can maintain. Config that works between code and natural language.

Vanilla is a powerfully simple discussion forum you can easily customize to make as unique as your community.

A modern, open source password manager for individuals and teams.

Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

The Orchestration Engine To Deliver Self-Service Infrastructure ⚡️

A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine

E-Commerce Platform

A Form and Data Management Platform for Progressive Web Applications.

Streamline your web application's authentication with Polis, an SSO service supporting SAML and OpenID Connect protocols. Beyond enterprise-grade Single Sign-On, it also supports Directory Sync via the SCIM 2.0 protocol for automatic user and group provisioning/de-provisioning.

App Platform for Linode Kubernetes Engine

Open Source Newsletter Tool.

No description.

OpenVidu Platform: self-hosted real-time video and audio for your apps, built on LiveKit and mediasoup

Self-Hosted API Management for Builders

Open format TMS (translation management system)

Tunnelmole - Connect to local servers from anywhere

Automated API Testing and Quality Assurance

dyrector.io is a self-hosted continuous delivery & deployment platform with version management.

Open source security data lake for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS

Open-source Back-end, self-hostable & ready to use - Real-time, storage, advanced search - Web, Apps, Mobile, IoT -

Trench — Open-Source Analytics Infrastructure. A single production-ready Docker image built on ClickHouse, Kafka, and Node.js for tracking events. Easily build product analytics dashboards, LLM RAGs, observability platforms, or any other analytics product.

LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/

Core framework that implements the functionality of the Sulu content management system

Warrant is a highly scalable, centralized authorization service based on Google Zanzibar. Use it to define, enforce, query, and audit application authorization and access control.

A web only WYSIWYG note taking app that saves notes locally in markdown format. v2: https://app.bangle.io/

Small-code database for non-programmers. Universal UI, simple-code logic, automatic actions, access rules, logging, API and more. Quickly create a complex internal apps using the database as an interface.

A second brain for your knowledge, thoughts, and ideas.

Bringing intranet on the internet with Zero-Config Mesh VPNs.

Official repository for Concrete CMS development

Control how your documents get signed

🦘 The Grouparoo Monorepo - open source customer data sync framework