
Stop Sifting Logs: Find Production Errors in Seconds with `severity=error`
AppSignal's upgraded log query language and redesigned logging UI make it easier than ever to zero in on production errors in seconds, without fighting your tooling.
AppSignal APM combines performance monitoring and error tracking in one clear interface. For Ruby (on Rails), Elixir, Node.js, PHP, Java and Python.

AppSignal's upgraded log query language and redesigned logging UI make it easier than ever to zero in on production errors in seconds, without fighting your tooling.

If you’ve been on the fence about trying the Ash Framework, this post is for you.

Prism is here to change our lives as Ruby developers: find out how.

It's time for our yearly rundown of our top 5 best-performing Elixir posts.

Check out the 5 JavaScript posts that really stood out on our blog in 2025.

Let's look back at our top 5 Ruby posts this year.

In this post, we'll build a Markdown editor using Rails.

Let's monitor the performance of an Express application effectively using AppSignal.

Let's improve the performance of your queries using Django QuerySets.

Let's explore some tools that have driven dramatic performance improvements and other innovations in the JavaScript ecosystem.

Let's continue developing our game, then integrate and publish it using DragonRuby in the second part of our two-part series.

In this post, we'll fire up a Next.js monorepo with Prisma.
AppSignal provides insights for Ruby, Rails, Elixir, Phoenix, Node.js, Express and many other frameworks and libraries. We are located in beautiful Amsterdam. We love stroopwafels. If you do too, let us know. We might send you some!
