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diaspora vs Stalwart

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

Shared themes:self-hosted

diaspora vs Stalwart: at a glance

FeaturediasporaStalwart
SectorCommsComms
Velocity score0.06.3
Sparks · 30d01
Top themesfederated-social, self-hosted, security-maintenance, public-apiemail-server, scim, jmap, enterprise-provisioning
Last editorial update1mo ago8d ago
WebsiteVisit →Visit →

What is diaspora?

The original federated social network now ships roughly once every two years.

diaspora* is a decentralised social network run as independent pods by volunteer administrators. Release cadence has collapsed to near-dormancy: 0.9.0.0 arrived in June 2024 after a two-year gap, and 0.9.1.0 followed in April 2026 — the release notes open with "it's been a while." What still ships reliably is security work, including a fixed SSRF vulnerability in the OpenID Connect implementation and, earlier, image-processing hardening adapted from Mastodon's fix.

Read the full diaspora trajectory →

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 →

diaspora vs Stalwart: editorial side-by-side

D0.0

The original federated social network now ships roughly once every two years.

◆ Current state

diaspora* is a decentralised social network run as independent pods by volunteer administrators. Release cadence has collapsed to near-dormancy: 0.9.0.0 arrived in June 2024 after a two-year gap, and 0.9.1.0 followed in April 2026 — the release notes open with "it's been a while." What still ships reliably is security work, including a fixed SSRF vulnerability in the OpenID Connect implementation and, earlier, image-processing hardening adapted from Mastodon's fix.

◆ Where it's heading

The one real forward move in this window was 0.9.0.0, which opened a supported public API and switched configuration to TOML with notice that YAML support ends at 1.0. Everything since has been maintenance. The project's own framing — a minor version described as not too exciting, urging podmins to update because it is a security release — sets the expectation plainly: diaspora* is being kept safe to run rather than developed toward anything new.

◆ Prediction

A 1.0 release removing YAML configuration support is the stated next milestone, but with two years between the last two releases the timing is unpredictable. The more likely near-term event is another security-driven patch.

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.

Alternatives to diaspora and Stalwart

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 diaspora or Stalwart.

See all diaspora alternatives → · See all Stalwart alternatives →

Recent activity from diaspora and Stalwart

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 agodiasporadiaspora* 0.9.1.0 patches an SSRF hole in its OIDC implementation
  8. 2y agodiasporadiaspora* 0.9.0.0 opens a supported API and moves config to TOML
  9. 3y agodiasporadiaspora* 0.7.18.2 hardens user image processing
  10. 4y agodiasporadiaspora* 0.7.18.1 fixes startup with multiple bundler versions
  11. 4y agodiasporadiaspora* 0.7.18.0 upgrades to Rails 6.1
  12. 4y agodiasporadiaspora* 0.7.17.0 blocks mass assignment of password and 2FA settings

Frequently asked questions

What is the difference between diaspora and Stalwart?

Both compete on the same themes — self-hosted — within Comms. 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 diaspora better than Stalwart?

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 diaspora?

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

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.