
Postman Workspaces
WSO2 API Manager
API List
Postman for Mac (Beta)
SMARTBEAR ReadyAPI
Apigee
Spinneret
tray.io
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Postman Workspaces
SourceForgeWSO2 API Manager - WSO2 API Manager is a 100% open source enterprise-class solution that supports API publishing, lifecycle management, application development, access control, rate limiting and analytics in one cleanly integrated system.
GitHub - 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.
API List - A collective list of APIs. Build something.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Postman for Mac (Beta) - Build, test, and document your APIs faster
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.