AG Grid is a JavaScript Data Grid for rendering lots of data in a Grid. Sorting, Filtering, Ordering, Pagination and Exporting are built in. One dependency to add to your project. Open Source edition is free for use in commercial applications.

Chatterscan is a free Twitter client that helps you filter your feed so you only see the type of content you need e.g. only show posts with links, or retweets. Also helps you make better use of saved searches by using them on Reddit, Google, LinkedIn, etc.