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Stalwart vs The Events Calendar

A side-by-side editorial comparison of Stalwart and The Events Calendar — release velocity, themes, recent moves, and the top alternatives to consider.

Stalwart vs The Events Calendar: at a glance

FeatureStalwartThe Events Calendar
SectorCommsComms
Velocity score6.30.0
Sparks · 30d10
Top themesemail-server, scim, jmap, enterprise-provisioningwordpress, events, ticketing, maintenance
Last editorial update8d ago2mo ago
WebsiteVisit →Visit →

What is Stalwart?

Stalwart adds full SCIM v2 provisioning and 24-language calendar support as its standards coverage extends further than most commercial mail servers.

Stalwart is maintaining a weekly-or-faster release cadence, with alternating feature releases and dense bug-fix releases. The v0.16.20 release landed full SCIM v2 (Enterprise) including cursor-based pagination and the IPSIE lifecycle profile, conference links in calendar invites, and 24 new calendar interface translations. Below the feature line, the project is steadily closing correctness gaps across JMAP, CalDAV, IMAP, and MTA — many of them edge-case RFC compliance issues.

Read the full Stalwart trajectory →

What is The Events Calendar?

The Events Calendar runs a disciplined maintenance train across its whole plugin suite.

The Events Calendar is a mature WordPress events and ticketing suite spanning several plugins — the core calendar, Event Tickets, Filter Bar, Community, and Pro add-ons. The recent release stream is almost entirely maintenance: bug fixes, translation updates, accessibility work, and payment-gateway handling for PayPal, Square, and Stripe. Development is spread evenly across the plugin family rather than concentrated in one flagship.

Read the full The Events Calendar trajectory →

Stalwart vs The Events Calendar: editorial side-by-side

S6.3

Stalwart adds full SCIM v2 provisioning and 24-language calendar support as its standards coverage extends further than most commercial mail servers.

◆ Current state

Stalwart is maintaining a weekly-or-faster release cadence, with alternating feature releases and dense bug-fix releases. The v0.16.20 release landed full SCIM v2 (Enterprise) including cursor-based pagination and the IPSIE lifecycle profile, conference links in calendar invites, and 24 new calendar interface translations. Below the feature line, the project is steadily closing correctness gaps across JMAP, CalDAV, IMAP, and MTA — many of them edge-case RFC compliance issues.

◆ Where it's heading

Stalwart is building toward parity with commercial enterprise mail servers on identity federation and provisioning (SCIM v2, VAPID for web push, DMARCbis/DKIM2 already landed). The pace of RFC implementation is unusually aggressive for an open-source project; the combination of JMAP, CalDAV, IMAP UIDONLY/UIDBATCHES, and SCIM v2 positions it as a viable self-hosted alternative for organizations that need standards compliance without vendor lock-in.

◆ Prediction

WebAuthn/passkey-based authentication and improved multi-tenant administration tooling are the most likely next capability additions, given the current trajectory toward enterprise identity management.

T0.0

The Events Calendar runs a disciplined maintenance train across its whole plugin suite.

◆ Current state

The Events Calendar is a mature WordPress events and ticketing suite spanning several plugins — the core calendar, Event Tickets, Filter Bar, Community, and Pro add-ons. The recent release stream is almost entirely maintenance: bug fixes, translation updates, accessibility work, and payment-gateway handling for PayPal, Square, and Stripe. Development is spread evenly across the plugin family rather than concentrated in one flagship.

◆ Where it's heading

This is a product in steady stewardship mode. The releases show a team keeping a large installed base stable — tightening capability checks for security, fixing pagination and view rendering, improving WooCommerce and Elementor compatibility — with no new capability surface in view. Accessibility and payment reliability are recurring focus areas.

◆ Prediction

Expect the same cadence of small, per-plugin maintenance releases to continue, with security hardening and gateway compatibility as the likely themes. Nothing in these entries signals a larger feature push.

Alternatives to Stalwart and The Events Calendar

Other Comms 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 Stalwart or The Events Calendar.

See all Stalwart alternatives → · See all The Events Calendar alternatives →

Recent activity from Stalwart and The Events Calendar

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

  1. 10d agoStalwartv0.16.21
  2. 17d agoStalwartv0.16.20
  3. 22d agoStalwartv0.16.19
  4. 29d agoStalwartv0.16.18
  5. 1mo agoStalwartv0.16.17
  6. 1mo agoStalwartv0.16.16
  7. 5mo agoThe Events CalendarEvent Tickets 5.27.6.1
  8. 5mo agoThe Events CalendarThe Events Calendar 6.15.20
  9. 5mo agoThe Events CalendarThe Events Calendar 6.15.19
  10. 5mo agoThe Events CalendarEvent Tickets 5.27.6
  11. 5mo agoThe Events CalendarCommunity 5.0.15
  12. 5mo agoThe Events CalendarThe Events Calendar 6.15.18

Frequently asked questions

What is the difference between Stalwart and The Events Calendar?

They serve adjacent needs but don't currently overlap on shipped themes. Stalwart is currently shipping more aggressively (velocity 6.3 vs 0.0), 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 Stalwart better than The Events Calendar?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Stalwart is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Comms products to evaluate alongside.

What are the best alternatives to Stalwart?

Top Stalwart alternatives in Comms are ranked by recent ship velocity. Browse the "Stalwart alternatives" section above for the current picks, or visit /alternatives/stalwart for the full list with editorial commentary on each.

What are the best alternatives to The Events Calendar?

Top The Events Calendar alternatives in Comms are ranked by recent ship velocity. Browse the "The Events Calendar alternatives" section above for the current picks, or visit /alternatives/the-events-calendar for the full list with editorial commentary on each.