The Auth0 service is a multi-vendor OAuth provider. It has around 60 different social login providers.
So the user hits "Sign In With Twitter1", gives Twitter their username, password, blood sample, and 2FA token. Twitter gives OpenBenches an authentication token with read only access.

Pinboard is a personal archive for things you find online and don't want to forget.

• minimalist, lightweight design with high information density
• Everything on the site is available as an RSS feed
• You can import and export data in a wide variety of formats.
• The site caters to users who value privacy. Half of users have no public bookmarks.
• The pricing plan is simple and inexpensive: you pay a small annual fee.
  The site has a sane business model that would be familiar to your grandparents.

Provide a free plan & education accounts

Our mission is to remove the pain of handling servers, application stacks, software dependencies and databases.
Focus on your app development and deploy it in 2 minutes. No server to manage, hosting becomes instant and easy!

Looks very similar to Heroku

Prometheus monitoring system and time series database

Un blog ou un site en panne et c’est la catastrophe ! Voici 11 outils pour faire du monitoring sur un blog (ou un site)...

StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring. Take a free trial.