k0s
k0s ships another four-branch patch round, with an IPv6 service CIDR fix on 1.37 and 1.36.
Comparison · Infra & APIs
OctoPrint vs Retool
A side-by-side editorial comparison of OctoPrint and Retool — release velocity, themes, recent moves, and the top alternatives to consider.
OctoPrint vs Retool: at a glance
What is OctoPrint?
OctoPrint 2.0 is on its seventh release candidate, still with no final date.
OctoPrint 2.0 makes serial one connector among several, including Moonraker and Bambu, and removes deprecated plugin APIs. Release candidates have arrived every few weeks since April: rc5 in August fixed config and schema regressions, and rc6 and rc7 in October carried only the standard warning that a candidate may need a manual downgrade.
What is Retool?
Retool puts app testing in public beta a week after its app builder went GA.
Retool's app builder went GA on October 28, building React apps from natural language, coding agents or imported code, with AI spend controls and credit packs alongside. Private npm registries for Enterprise apps and GPT 6.1 Terra followed. On November 3 testing for apps entered public beta, the first quality tool aimed at the apps the builder now produces.
OctoPrint vs Retool: editorial side-by-side
OctoPrint
5.0INFRA · APIS
OctoPrint 2.0 is on its seventh release candidate, still with no final date.
◆ Current state
OctoPrint 2.0 makes serial one connector among several, including Moonraker and Bambu, and removes deprecated plugin APIs. Release candidates have arrived every few weeks since April: rc5 in August fixed config and schema regressions, and rc6 and rc7 in October carried only the standard warning that a candidate may need a manual downgrade.
◆ Where it's heading
The 2.0 line is in a long stabilisation, with each candidate fixing regressions and asking testers to cover the new connectors. The thin notes on rc6 and rc7 suggest the remaining changes are small.
◆ Prediction
A 2.0.0 final is likely within a few candidates; the exact date is unclear from the entries.
Retool
6.3INFRA · APIS
Retool puts app testing in public beta a week after its app builder went GA.
◆ Current state
Retool's app builder went GA on October 28, building React apps from natural language, coding agents or imported code, with AI spend controls and credit packs alongside. Private npm registries for Enterprise apps and GPT 6.1 Terra followed. On November 3 testing for apps entered public beta, the first quality tool aimed at the apps the builder now produces.
◆ Where it's heading
Retool is surrounding generated apps with the controls a production team expects: spend limits, private packages, and now tests. Self-hosted stable channels keep taking quiet patch updates in parallel. The pattern points toward making AI-built apps something an engineering team can own and ship, not just prototype.
◆ Prediction
The entries do not say what app testing covers yet; expect follow-up notes on test types or CI hooks as the beta matures.
Alternatives to OctoPrint and Retool
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either OctoPrint or Retool.
Honeycomb
Honeycomb's Canvas now remembers your systems and lays out each investigation in sections.
AdGuard Home
AdGuard Home's stable line takes a Go security update and turns off Multipath TCP.
Gloo Gateway
Gloo Gateway 1.20.29 stops a failed restart from wiping every Envoy's config
Inspektor Gadget
Inspektor Gadget v0.58 adds SELinux and rename tracing and fixes stale OTel series
Verdaccio
Verdaccio's v9 pre-release counter hits 42, and the notes still say nothing
See all OctoPrint alternatives → · See all Retool alternatives →
Recent activity from OctoPrint and Retool
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoRetoolApp testing
- 5d agoRetoolSelf-hosted Retool 4.34 and 4.0 stable updates
- 6d agoRetoolGPT 6.1 Terra available in Retool
- 6d agoRetoolSelf-hosted Retool 4.34 stable update
- 7d agoRetoolPrivate npm registries for apps
- 7d agoRetoolSpend controls for AI usage
- 15d agoOctoPrintOctoPrint 2.0.0 release candidate 7
- 28d agoOctoPrint2.0.0rc6: another release candidate for OctoPrint 2.0
- 2mo agoOctoPrint2.0.0rc5 fixes regressions and asks for Moonraker and Bambu testing
- 3mo agoOctoPrint2.0.0rc4 continues serial connector migration testing
- 4mo agoOctoPrint2.0.0rc3 repeats the connector and serial-storage test asks
- 5mo agoOctoPrint2.0.0rc2 adds the serial connector migration checks
Frequently asked questions
What is the difference between OctoPrint and Retool?
They serve adjacent needs but don't currently overlap on shipped themes. Retool is currently shipping more aggressively (velocity 6.3 vs 5.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is OctoPrint better than Retool?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Retool is currently shipping more aggressively (velocity 6.3 vs 5.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to OctoPrint?
Top OctoPrint alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "OctoPrint alternatives" section above for the current picks, or visit /alternatives/octoprint for the full list with editorial commentary on each.
What are the best alternatives to Retool?
Top Retool alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Retool alternatives" section above for the current picks, or visit /alternatives/retool for the full list with editorial commentary on each.