Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending.

Official electron build of draw.io

本文原文由知名 Hacker Eric S. Raymond 所撰寫，教你如何正確的提出技術問題並獲得你滿意的答案。

Create PDF documents using web technologies

Ethereal Style for Zotero

PDF references add-on for Zotero.

ZotCard is a plug-in for Zotero, which is a card note-taking enhancement tool. It provides card templates (such as concept card, character card, golden sentence card, etc., by default, you can cust…

A tutorial for OpenMCT that guides you through integrating historical and realtime telemetry.