OneSignal
OneSignal's feed is push and SMS marketing content, not product release notes
A side-by-side editorial comparison of ConvertKit and Keila — release velocity, themes, recent moves, and the top alternatives to consider.
Kit is wiring AI access and audience intelligence onto its creator email core.
Kit's recent releases split between editor and UX polish (a rebuilt landing-page editor, a renamed Newsletter site, searchable rules and automations) and a push into audience data and AI access via Subscriber Signals and a Kit MCP server. The platform is broadening from sending email toward managing and querying the audience behind the list.
Keila is maturing from a newsletter tool into a templating and transactional email platform.
Keila, the open-source AGPL email and newsletter tool, is steadily broadening from campaign sending toward a fuller email platform. The v0.30 line added MJML/HTML/plain-text templates, reusable content slots, and a transactional-email API, built on a v0.20 messages-schema refactor and new scheduler. Between feature releases, the cadence is heavy on internationalization, editor polish, and bug fixes.
Kit's recent releases split between editor and UX polish (a rebuilt landing-page editor, a renamed Newsletter site, searchable rules and automations) and a push into audience data and AI access via Subscriber Signals and a Kit MCP server. The platform is broadening from sending email toward managing and querying the audience behind the list.
Two threads are converging: making Kit's data legible (Subscriber Signals, searchable libraries) and making it programmable by AI agents (the MCP beta). Together they point toward a creator platform where list analysis, segmentation, and campaign creation can be driven conversationally rather than only through the UI.
Expect the MCP beta and Subscriber Signals to move toward general availability and to start feeding each other — AI tools querying enriched subscriber data — rather than Kit shipping more standalone editor features.
Keila, the open-source AGPL email and newsletter tool, is steadily broadening from campaign sending toward a fuller email platform. The v0.30 line added MJML/HTML/plain-text templates, reusable content slots, and a transactional-email API, built on a v0.20 messages-schema refactor and new scheduler. Between feature releases, the cadence is heavy on internationalization, editor polish, and bug fixes.
The direction is API-first, template-driven email: transactional sending, programmable templates, and content slots position Keila against hosted ESPs for self-hosters. Expect continued hardening of the new template and transactional APIs, more editor and MJML refinement, and ongoing localization to widen community reach.
Next releases will likely stabilize the v0.30 template and transactional APIs with follow-on fixes, and keep extending editor and Liquid capabilities.
Other Mkt Auto 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 ConvertKit or Keila.
OneSignal's feed is push and SMS marketing content, not product release notes
Stensul is repositioning as the governance layer for AI-assisted marketing creation
n8n hardens its native AI agents under a relentless dual-track fix cadence
AWeber funnels its product energy into one bet: AI-generated, no-code signup forms.
WPForms opens its form builder to Claude, betting on assistant-driven creation
Moosend's tracked feed is all marketing blog — no product releases in view.
See all ConvertKit alternatives → · See all Keila alternatives →
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
Both compete on the same themes — email-marketing — within Mkt Auto. Keila 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.
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Keila 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 Mkt Auto products to evaluate alongside.
Top ConvertKit alternatives in Mkt Auto are ranked by recent ship velocity. Browse the "ConvertKit alternatives" section above for the current picks, or visit /alternatives/convertkit for the full list with editorial commentary on each.
Top Keila alternatives in Mkt Auto are ranked by recent ship velocity. Browse the "Keila alternatives" section above for the current picks, or visit /alternatives/keila for the full list with editorial commentary on each.