Knowfox is a personal knowledge management system that is [open source](https://github.com/oschettler/knowfox) and meant to be [self-hosted](https://github.com/oschettler/knowfox/wiki). It provides hierarchy, outlining, tags, bidirectional relationships, markdown, search, images, easy journaling, sharing, static site generation, oauth2, and an API.
Private Notes for Twitter and Facebook allows to add and edit notes for any profile. Can export notes to CSV. All data is secure on your computer and is not transfered anywhere. Source code is available on Github.
Product Hunt surfaces the best new products, every day. It's a place for product-loving enthusiasts to share and geek out about the latest mobile apps, websites, hardware projects, and tech creations.