Open Source Alternatives written in Java

Jenkins

24,064

Automate Anything with Jenkins

Supertokens

14,189

Open Source User Authentication

Freeplane

3,206

Mind Mapping and Knowledge Management

Aegis

10,467

Secure 2FA token manager

Berty

8,280

Unstoppable P2P Communication

Apache nifi

5,383

Automate and manage data flows

Kontalk

573

Secure, open-source messaging

OneDev

14,044

All-in-One DevOps Platform

Opengrep

1,354

Open-source static code security engine

formsflow.ai

367

Low-code forms, workflows, analytics platform

Testsigma

983

10X Faster Test Automation

GrapheneOS

1,017

Private and secure mobile OS

LibreOffice

3,143

Free, Powerful Office Suite

Scoold

886

Efficient Team Knowledge Sharing

OpenScan

1,587

Privacy-friendly Document Scanner

Milkman

1,278

Extensible Request/Response Workbench

OpenOffice

1,040

Free Office Suite Software

OpenAM

829

Seamless Authentication and Access Management

MetriQL

308

Headless BI for data metrics

ClearFlask

360

Manage product feedback easily