#1 AutomationFree
Backstage — alternative #1 to ATAC
Open-source platform for building Internal Developer Portals that unify tools and workflows.
GitHub source99CC0-1.0
Recorded alternatives
Alternatives to ATAC
Every candidate below sits in Developer Tools. What ends up on this page is decided entirely by a recorded score — not by bidding, not by editor taste. Review both records, check current vendor terms, then decide.
#2 AutomationFree
CasaOS — alternative #2 to ATAC
CasaOS - A simple, easy-to-use, elegant open-source Personal Cloud system. | Linux | **37.1k
GitHub source37.4kApache-2.0
#3 DesignFree
Cluse — alternative #3 to ATAC
a free and open-source Sketch plugin that allows you to test the color contrast of your design for accessibility and adjust colors without i...
Catalogue source
#4 AutomationFree
Convox Rack — alternative #4 to ATAC
Convox Rack is open source PaaS built on top of expert infrastructure automation and devops best practices.
GitHub source
#5 AutomationFree
ImageMagick — alternative #5 to ATAC
ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and off...
GitHub source
#6 Developer ToolsFree
Kubernetes — alternative #6 to ATAC
An open-source system for automating the deployment, scaling and management of containerized applications.
Catalogue source
#7 AutomationFree
OpenRun — alternative #7 to ATAC
Open-source alternative to Google Cloud Run and AWS App Runner. Easily deploy internal tools across a team.
GitHub source
#8 Developer ToolsFree
OpenShift — alternative #8 to ATAC
[][openshift] - An open source PaaS built on [Kubernetes][kubernetes] and optimized for Dockerized app development and deployment by Red Hat
Catalogue source
Questions about this page
How were these alternatives selected?
Each candidate is a live catalogue record in the same primary category, picked by a deterministic score that Oryxen records in its catalogue: how many meaningful words the two listings share, whether their pricing classes oppose (a paid product against a free one), whether both are open source, and whether either record is featured. The same catalogue state always produces the same list — no randomness, no manual ranking.
Are these alternatives ranked by payment?
No. Rows are ordered only by the recorded score, highest first, with alphabetical ties — payment never influences the order, nothing here is paid placement, and Oryxen charges no listing or placement fee.
Always verify current terms with ATAC directly — Oryxen records pricing classes, not live quotes.