Open Source Alternatives written in Java

Jenkins

24,363

Automate Anything with Jenkins

Supertokens

14,452

Open Source User Authentication

Freeplane

3,398

Mind Mapping and Knowledge Management

Aegis

11,038

Secure 2FA token manager

Berty

8,409

Unstoppable P2P Communication

Apache nifi

5,637

Automate and manage data flows

Kontalk

574

Secure, open-source messaging

OneDev

14,222

All-in-One DevOps Platform

Opengrep

1,557

Open-source static code security engine

formsflow.ai

381

Low-code forms, workflows, analytics platform

Testsigma

1,003

10X Faster Test Automation

GrapheneOS

1,074

Private and secure mobile OS

LibreOffice

3,276

Free, Powerful Office Suite

Scoold

896

Efficient Team Knowledge Sharing

OpenScan

1,637

Privacy-friendly Document Scanner

Milkman

1,303

Extensible Request/Response Workbench

OpenOffice

1,064

Free Office Suite Software

OpenAM

842

Seamless Authentication and Access Management

MetriQL

312

Headless BI for data metrics

ClearFlask

379

Manage product feedback easily