Dendron - Dendron is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. It supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.

Gitslash - Autopopulate your Github Activity Chart

Obsidian.net - Obsidian is an Action-Adventure, First-person Exploration, Puzzle and Single-player video game created and published by Rocket Science.

Sweetjab - Sweetjab combines your issues and pull requests from GitHub, into a single page, to easily prioritize and delegate

Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.

HubDesk - HubDesk lets you receive and respond to emails with Github issues.