Open Source Alternatives written in Java

Jenkins

24,527

Automate Anything with Jenkins

Supertokens

14,614

Open Source User Authentication

Freeplane

3,545

Mind Mapping and Knowledge Management

Aegis

11,225

Secure 2FA token manager

Berty

8,462

Unstoppable P2P Communication

Apache nifi

5,739

Automate and manage data flows

Kontalk

575

Secure, open-source messaging

OneDev

14,377

All-in-One DevOps Platform

Opengrep

1,746

Open-source static code security engine

formsflow.ai

384

Low-code forms, workflows, analytics platform

Testsigma

1,020

10X Faster Test Automation

GrapheneOS

1,118

Private and secure mobile OS

LibreOffice

3,375

Free, Powerful Office Suite

Scoold

897

Efficient Team Knowledge Sharing

OpenScan

1,662

Privacy-friendly Document Scanner

Milkman

1,307

Extensible Request/Response Workbench

OpenOffice

1,089

Free Office Suite Software

OpenAM

846

Seamless Authentication and Access Management

MetriQL

317

Headless BI for data metrics

ClearFlask

386

Manage product feedback easily