"krew is a tool that makes it easy to use kubectl plugins. krew helps you discover plugins, install and manage them on your machine. It is similar to tools like apt, dnf or brew.
For kubectl users: krew helps you find, install and manage kubectl plugins in a consistent way. For plugin developers: krew helps you package and distribute your plugins on multiple platforms and makes them discoverable."
"Kango is an cross-browser extension framework, based on web-standards. Now everyone developer familiar with JavaScript can create extensions for all major browsers including even Internet Explorer."
Jupiter is a code review plug-in tool for the Eclipse IDE. It is currently under active development, and still in an experimental state. The design of Jupiter involves the following:
Open Source: Jupiter carries an open source license. Free: Jupiter is distributed free of charge. IDE integration: Jupiter is based upon the Eclipse plug-in architecture. Cross-platform: Jupiter is available for all platforms supported by Eclipse. XML data storage: Jupiter stores data in XML format to simplify use and re-use. Sorting and searching: Jupiter provides filters and sorting to facilitate issue review. File integration: Jupiter supports jumping back and forth between reviews and source code.