Amazon Athena is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL. Athena is serverless, so there is no infrastructure to manage, and you pay only for the queries that you run.

nominated

Metabase is the easy, open source way for everyone in your company to ask questions and learn from...

experts Open Source freemium $85.0 / Monthly (5 users, 3-day email support, Custom domains.)

Data analysis platform for engineering teams. Organise, find and visualise test and measurement data.

experts freemium

Create interactive dashboards and reports from your databases, APIs, and 3rd party services. Supporting MySQL, Postgres, MongoDB, Firestore, Customer.io, and more. Chartbrew is 100% open source and can be self-hosted for free.

experts Open Source freemium $29.0 / Monthly (10 dashboards and clients, unlimited connections & charts)

Calculate subject grade and GPA for free.

bookmark free

The easiest way to burn through all tasks in your grid is to link them together with Taskheat. With Flowchart and List views, this task manager gives you a perfect visualization of to-dos.

bookmark paid Free Trial $14.99 / One-off

Timetable, homework, and grades.

bookmark freemium $1.99 / Monthly

Ace your next tech interview with confidence.

nominated freemium $29.0 / One-off (Premium account)