SourceForge Alternatives

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Create, review and deploy code together with GitLab open source git repo management software | GitLab

Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.

The website openDesktop.

OSOR is the Open Source Observatory, a project to provide a framework for developing and executing autonomous observations.

A painless self-hosted Git service

Phacility - Phabricator

Launchpad

Freecode (formerly known as Freshmeat) is one of the legit open source development platforms that will be the key for developers and programmers to have a streamlined process via having enhanced collaboration and coding leverages.

A directory of open education resources and lots of free educational software.

Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.

Integrated, on-demand tools to build software faster, with less stress. Get started for free and find out why over 800,000 users trust Assembla.

OW2 is an open-source software platform, a primary provider of biz tech solutions for enterprise corporations.