Without any browser extensions get the size & creation date of GitHub repositories. As it is browser independent, you can use it on any browser. Installing a separate extension / plugin is kind of overkill just to know these details.
Google Spreadsheet Add-on to track Cryptocurrencies. You can even set threshold price points and get notifications when it's crossed. For now 13 Cryptocurrencies are supported and you can get the market price in one of the 6 currencies supported.
GitHub Repositories size & creation dateBookmarklet to get size & creation date of GitHub repos.Mar 2018
