DeepSource is an automated code review tool that continuously analyzes code for security vulnerabilities, performance issues, bug risks, and anti-patterns, and helps developers discover and automatically fix these issues in code before shipping to production.
bilgge is a free service which makes you feel as if you were storing data in a real safe house. instead of saying "it uses end-to-end encryption" then asking you 8+ characters password to protect your data, it gives you power to encrypt your data by yourself in your browser.
LeanBoard is a collaborative whiteboard with sticky notes that connects with your GitHub issue. Login with your GitHub account, create a board for an issue and a snapshot of your notes are embedded in the issue automatically.
Dnotebook is a Jupyter-like library for JavaScript environment. It allows you to create and share pages that contain live code, text and visualizations.
Edit Pad is an easy and clean Online text editor and note-taking tool. Take notes online and download them in a text format. Great for taking quick notes in between meetings.
GitNoter is an open source web application that allows users to store notes to their github repository. It supports markdown format, so you can add links, tables, code sections to your notes.