Jet Admin - Build business apps really fast
Reverse Dictionary - Describe a concept and get back a list of words
Retool - Build custom internal tools in minutes.
Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Appsmith - Appsmith is an open source web framework for building internal tools, admin panels, dashboards, and workflows.
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.