Awesome Oss Alternatives

Cerbos is the open core, language-agnostic, scalable authorization solution that makes user permissions and authorization simple to implement and manage by writing context-aware access control policies for your application resources.

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

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

Build data pipelines, the easy way 🛠️

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

Developer & translator friendly web-based localization platform

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.

LFX Community Data Platform (CDP)

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

The open source and enterprise-ready webhooks service 🦀

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.

App Platform for Linode Kubernetes Engine

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.

Open Source Newsletter Tool.

OpenVidu Platform main repository

No description.

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

ML powered analytics engine for outlier detection and root cause analysis.

🦘 The Grouparoo Monorepo - open source customer data sync framework