Open Source Alternatives written in Java

Jenkins

24,300

Automate Anything with Jenkins

Supertokens

14,409

Open Source User Authentication

Freeplane

3,339

Mind Mapping and Knowledge Management

Aegis

10,930

Secure 2FA token manager

Berty

8,390

Unstoppable P2P Communication

Apache nifi

5,587

Automate and manage data flows

Kontalk

573

Secure, open-source messaging

OneDev

14,185

All-in-One DevOps Platform

Opengrep

1,515

Open-source static code security engine

formsflow.ai

379

Low-code forms, workflows, analytics platform

Testsigma

995

10X Faster Test Automation

GrapheneOS

1,060

Private and secure mobile OS

LibreOffice

3,246

Free, Powerful Office Suite

Scoold

894

Efficient Team Knowledge Sharing

OpenScan

1,625

Privacy-friendly Document Scanner

Milkman

1,296

Extensible Request/Response Workbench

OpenOffice

1,057

Free Office Suite Software

OpenAM

840

Seamless Authentication and Access Management

MetriQL

312

Headless BI for data metrics

ClearFlask

378

Manage product feedback easily