Ory Hydra
Hacker ApprovedRanked 2 of 8 authentication services by recommenders
Open-source OAuth 2.0 and OpenID Connect server that people self-host, praised for running with very low CPU and memory use.
Open-source OAuth 2.0 and OpenID Connect server that people self-host, praised for running with very low CPU and memory use.
24 people gave an opinion
- recommend it
- 22
- criticize it
- 2
- approval share
- 92%
Recommended in 7 of 13 months
- November 2025: recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: not recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it carries the badge
- 22 people recommend itNeeds 10 or more, met.
- 11 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 7 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Very low CPU and RAM use
“The CPU use is ridiculously small for that scale!”
Comment from 25 Jun 2026 in “Cloudflare launched self-managed OAuth for all” “they run Hydra on 0.6 vCPU and 200MB of RAM”
Comment from 25 Jun 2026 in “Cloudflare launched self-managed OAuth for all” Well-liked by users
“appreciate all your work Hydra”
Comment from 25 Jun 2026 in “Cloudflare launched self-managed OAuth for all” “thank u for Hydra, its great!”
Comment from 25 Jun 2026 in “Cloudflare launched self-managed OAuth for all”
Other authentication services people recommend
The four most recommended other authentication services, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Better Auth | 46 | 8 | 85% | 9 | 1 yr3 owners | Approved |
| Ory HydraThis page | 22 | 2 | 92% | 7 | — | Approved |
| Clerk | 19 | 16 | 54% | 7 | — | — |
| AWS Cognito | 18 | 34 | 35% | 6 | — | — |
| Auth0 | 16 | 19 | 46% | 8 | — | — |
What people said
22 of the 25 comments that mention it, newest first. Each links to the original comment.
“So you can script it with plain HTTP instead of tmux.”
“you can open any of them mid-run and read what that agent is actually doing instead of watching a progress bar”
“I can leave an agent running, close the app, and pick the same session back up from another machine or even from my phone”
“appreciate all your work Hydra”
“Glad to see them making use of Hydra for OAuth apps!”
“thank u for Hydra, its great!”
“Ory services are a delight and I was excited to see them spring up years ago”
“one of the few tools I remember being actually good and lightweight and useable”
“they run Hydra on 0.6 vCPU and 200MB of RAM”
“The CPU use is ridiculously small for that scale!”
“also check out CQL's cousin, the graph programming language Hydra”
“The 'copy context to clipboard' workaround is such a pragmatic, solution for switching CLIs.”
“transient, hydra, ivy/helm/vertico”
“Useful layer for a real problem — visibility into multi-agent dev environments is genuinely missing.”
“0 known vulnerabilities, Electron sandbox enabled, contextIsolation enforced, openExternal URL allowlisted.”
“it doesn’t compare contents or hashes.”
“I've found it quite useful.”
“after many frustrations with omegaconf and hydra in the past”
“Config management that saved the sanity of ML researchers”
“hydras exist which are very nice for certain contexts”
“Hydra would run on its own and I don't have to touch it, except when I have to upgrade it.”
“Super powerful combo, if not a little intimidating at first.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.