Open Source Alternatives written in Java

Jenkins

24,341

Automate Anything with Jenkins

Supertokens

14,435

Open Source User Authentication

Freeplane

3,360

Mind Mapping and Knowledge Management

Aegis

10,998

Secure 2FA token manager

Berty

8,401

Unstoppable P2P Communication

Apache nifi

5,614

Automate and manage data flows

Kontalk

574

Secure, open-source messaging

OneDev

14,208

All-in-One DevOps Platform

Opengrep

1,538

Open-source static code security engine

formsflow.ai

379

Low-code forms, workflows, analytics platform

Testsigma

1,000

10X Faster Test Automation

GrapheneOS

1,070

Private and secure mobile OS

LibreOffice

3,261

Free, Powerful Office Suite

Scoold

895

Efficient Team Knowledge Sharing

OpenScan

1,633

Privacy-friendly Document Scanner

Milkman

1,301

Extensible Request/Response Workbench

OpenOffice

1,062

Free Office Suite Software

OpenAM

842

Seamless Authentication and Access Management

MetriQL

312

Headless BI for data metrics

ClearFlask

379

Manage product feedback easily