Open Source Alternatives written in Java

Jenkins

24,505

Automate Anything with Jenkins

Supertokens

14,593

Open Source User Authentication

Freeplane

3,525

Mind Mapping and Knowledge Management

Aegis

11,197

Secure 2FA token manager

Berty

8,447

Unstoppable P2P Communication

Apache nifi

5,729

Automate and manage data flows

Kontalk

575

Secure, open-source messaging

OneDev

14,364

All-in-One DevOps Platform

Opengrep

1,733

Open-source static code security engine

formsflow.ai

384

Low-code forms, workflows, analytics platform

Testsigma

1,021

10X Faster Test Automation

GrapheneOS

1,110

Private and secure mobile OS

LibreOffice

3,359

Free, Powerful Office Suite

Scoold

896

Efficient Team Knowledge Sharing

OpenScan

1,660

Privacy-friendly Document Scanner

Milkman

1,307

Extensible Request/Response Workbench

OpenOffice

1,084

Free Office Suite Software

OpenAM

846

Seamless Authentication and Access Management

MetriQL

317

Headless BI for data metrics

ClearFlask

385

Manage product feedback easily