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Comparison · Infra & APIs

ESPHome vs Knock

A side-by-side editorial comparison of ESPHome and Knock — release velocity, themes, recent moves, and the top alternatives to consider.

ESPHome vs Knock: at a glance

FeatureESPHomeKnock
SectorInfra & APIsInfra & APIs
Velocity score5.06.3
Sparks · 30d01
Top themesmonthly-release-train, hardware-fixes, esp32, shared-state-bugsnotification infrastructure, data sources, agent interface, workflow primitives
Last editorial update1h ago5h ago
WebsiteVisit →

What is ESPHome?

ESPHome's August beta opens while the July line keeps absorbing hardware fixes.

ESPHome runs a monthly train and this window covers the tail of 2026.7 plus the opening of the 2026.8 beta. The 2026.7 patches were dominated by field-reported hardware corrections — sensor readings on emc2101, haier and as3935, an ENC28J60 SPI chip-select hold time flagged as breaking, a locked git clone cache so device adoption stops failing on first attempt, and a double-free when the API overflow buffer drain is re-entered. Bundled device-builder and dependabot bumps make up most of the row count in every patch.

Read the full ESPHome trajectory →

What is Knock?

Knock is pulling every customer-data source into notifications, then putting an agent on top.

Knock is a notification infrastructure layer, and the last two months have gone into two things: widening what can trigger a workflow, and making the resulting data legible. Amplitude and Clay both landed as first-class data sources, so product events, cohort changes and enriched CRM rows now drive messaging directly rather than through customer-written glue. The workflow engine gained a wait-for-event primitive, and the template editor was rebuilt around block editing.

Read the full Knock trajectory →

ESPHome vs Knock: editorial side-by-side

E
ESPHome
INFRA · APIS
5.0

ESPHome's August beta opens while the July line keeps absorbing hardware fixes.

◆ Current state

ESPHome runs a monthly train and this window covers the tail of 2026.7 plus the opening of the 2026.8 beta. The 2026.7 patches were dominated by field-reported hardware corrections — sensor readings on emc2101, haier and as3935, an ENC28J60 SPI chip-select hold time flagged as breaking, a locked git clone cache so device adoption stops failing on first attempt, and a double-free when the API overflow buffer drain is re-entered. Bundled device-builder and dependabot bumps make up most of the row count in every patch.

◆ Where it's heading

The pattern is stable and worth reading as maturity rather than stagnation: a feature release lands, then three or four patch releases correct the hardware paths that only fail in the field, each one narrow and attributed to a specific board or component. Concurrency and shared-state bugs — the WiFi scan results shared with the captive portal task, the clone cache, the buffer drain — recur often enough to look like the project's current soft spot. The beta tags carry no notes of their own and point at the release changelog instead.

◆ Prediction

2026.8.0 should reach a stable tag within days given the beta cadence, followed by the usual run of patch releases correcting per-component regressions. What is in it is not visible from these entries, which link out rather than summarize.

K
Knock
INFRA · APIS
6.3

Knock is pulling every customer-data source into notifications, then putting an agent on top.

◆ Current state

Knock is a notification infrastructure layer, and the last two months have gone into two things: widening what can trigger a workflow, and making the resulting data legible. Amplitude and Clay both landed as first-class data sources, so product events, cohort changes and enriched CRM rows now drive messaging directly rather than through customer-written glue. The workflow engine gained a wait-for-event primitive, and the template editor was rebuilt around block editing.

◆ Where it's heading

The shape is a product moving up from delivery mechanics toward the surrounding workflow. Sources reduce the integration code a customer writes before Knock is useful; the agent layer reduces the reporting work after. Category and tag management being pulled into dedicated dashboard pages is the housekeeping that follows: the primitives got numerous enough to need their own administration surface.

◆ Prediction

Expect the data-source list to keep growing along the same lines — warehouse and product-analytics tools that already hold the user state Knock needs — and for the agent to be given more of the dashboard's read surface.

Alternatives to ESPHome and Knock

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 ESPHome or Knock.

See all ESPHome alternatives → · See all Knock alternatives →

Recent activity from ESPHome and Knock

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 10h agoESPHome2026.8.0 beta 2 tagged
  2. 1d agoESPHome2026.8.0 beta 1 opens the August cycle
  3. 1d agoKnockCategory + tag management
  4. 7d agoKnockAmplitude data source
  5. 7d agoESPHomeDevice adoption and API buffer fixes land in 2026.7.4
  6. 14d agoKnockAnalytics in the Knock agent
  7. 15d agoKnockWait for event function
  8. 16d agoESPHomeENC28J60 SPI timing fix, flagged as a breaking change
  9. 16d agoKnockClay data source
  10. 21d agoESPHomesen5x gains a model override; MIPI SPI partial update fixed
  11. 21d agoKnockRedesigned template editor
  12. 23d agoESPHomeSensor reading fixes across emc2101, haier and as3935

Frequently asked questions

What is the difference between ESPHome and Knock?

They serve adjacent needs but don't currently overlap on shipped themes. Knock is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 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 ESPHome better than Knock?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Knock is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 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 ESPHome?

Top ESPHome alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "ESPHome alternatives" section above for the current picks, or visit /alternatives/esphome for the full list with editorial commentary on each.

What are the best alternatives to Knock?

Top Knock alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Knock alternatives" section above for the current picks, or visit /alternatives/knock for the full list with editorial commentary on each.