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Comparison · Collab
CommaFeed vs Elgg
A side-by-side editorial comparison of CommaFeed and Elgg — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:open-source
CommaFeed vs Elgg: at a glance
What is CommaFeed?
CommaFeed is patching its way through the attack surface a self-hosted reader inherits
CommaFeed's 7.x line has become a sustained security pass. The newest patch closes Host header injection on the password recovery endpoint and adds a commafeed.password-recovery-public-base-url setting so the email base URL is configured rather than taken from the request. Behind it: local address blocking made secure by default alongside Google Reader API support in 7.3.0, javascript: URLs filtered at parse time in 7.2.1, and SSRF limits on the image proxy in 7.2.0.
What is Elgg?
A social-networking engine in careful maintenance across two supported branches.
Elgg is running a two-branch release cadence: a 7.0.x line taking bug fixes and a 6.3.x line receiving security-only patches. The recent entries are small — single-commit gatekeeper fixes, a CKEditor licensing version correction, terse 'small security update' notes — and contributor counts are in the low single digits, with the same one or two maintainers on nearly every release. The 7.0 line has already settled into patch mode.
CommaFeed vs Elgg: editorial side-by-side
CommaFeed
5.0COLLAB
CommaFeed is patching its way through the attack surface a self-hosted reader inherits
◆ Current state
CommaFeed's 7.x line has become a sustained security pass. The newest patch closes Host header injection on the password recovery endpoint and adds a commafeed.password-recovery-public-base-url setting so the email base URL is configured rather than taken from the request. Behind it: local address blocking made secure by default alongside Google Reader API support in 7.3.0, javascript: URLs filtered at parse time in 7.2.1, and SSRF limits on the image proxy in 7.2.0.
◆ Where it's heading
Every release in this stretch closes a path where content or a request from outside the instance was trusted too far - feed URLs reaching internal addresses, proxied images, javascript: links, and now a header shaping an outbound email. That is the checklist of a project being run as a multi-user hosted service rather than a single-user tool, and it follows directly from the 7.0.0 decision to sandbox filter expressions. Feature work continues in parallel but is clearly the smaller half.
◆ Prediction
The remaining untrusted-input surfaces - OPML import and the feed fetcher's redirect handling - are the likely next targets. The pattern of shipping each fix as its own patch release should continue rather than batching them.
Elgg
5.0COLLAB
A social-networking engine in careful maintenance across two supported branches.
◆ Current state
Elgg is running a two-branch release cadence: a 7.0.x line taking bug fixes and a 6.3.x line receiving security-only patches. The recent entries are small — single-commit gatekeeper fixes, a CKEditor licensing version correction, terse 'small security update' notes — and contributor counts are in the low single digits, with the same one or two maintainers on nearly every release. The 7.0 line has already settled into patch mode.
◆ Where it's heading
This is a mature project maintaining a stable base rather than pushing new capability. The pattern of paired 7.0.x/6.3.x releases on the same day indicates a deliberate backport discipline, keeping the previous major line safe for deployments that haven't migrated. Nothing in the changelogs points toward new features; the substantive work visible here is the 7.0.1 cleanup batch that shook out post-major-release regressions in theming, discussions, and Safari script loading.
◆ Prediction
Expect the alternating pattern to continue — 7.0.x patch releases as issues surface, with matching 6.3.x security backports — until a 7.1 cycle opens. The entries give no indication of when that might be.
Alternatives to CommaFeed and Elgg
Other Collab 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 CommaFeed or Elgg.
Read the Docs
Read the Docs is rebuilding its build farm around uv and isolated builders, one week at a time.
SiYuan
SiYuan stabilises 3.8.1 after a seven-build beta run, all of it widening the agent surface it opened in 3.8.0
Hive
Hive ships in batches, and this one is all planning accuracy and admin control.
Teable
Teable ships daily, and the work has moved from grid features to platform governance.
Simpplr
Simpplr publishes the research that names the gap, then ships the product that closes it.
See all CommaFeed alternatives → · See all Elgg alternatives →
Recent activity from CommaFeed and Elgg
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoCommaFeedHost header injection closed on the password recovery endpoint
- 8d agoCommaFeedGoogle Reader API support and secure-by-default local address blocking
- 16d agoCommaFeedjavascript: URLs now filtered at parse time, not just in the client
- 20d agoElggGatekeeper fix for inaccessible deleted entities
- 20d agoElggSecurity patch on the 6.3 maintenance branch
- 1mo agoCommaFeedFeed-declared icons, starred-entry search, and image-proxy SSRF limits
- 1mo agoElggCKEditor pinned to the correct GPL-licensed version
- 1mo agoElggSmall fixes across the 7.0 line
- 1mo agoElggSecurity patch on the 6.3 maintenance branch
- 2mo agoElggPost-7.0 cleanup: theming, discussions, and Safari script loading
- 4mo agoCommaFeedMobile unread count in the header plus a graceful refresh shutdown
- 5mo agoCommaFeedFilter expressions move from JEXL to a sandboxed visual query builder ⚡
Frequently asked questions
What is the difference between CommaFeed and Elgg?
Both compete on the same themes — open-source — within Collab. CommaFeed and Elgg are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is CommaFeed better than Elgg?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. CommaFeed and Elgg are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Collab products to evaluate alongside.
What are the best alternatives to CommaFeed?
Top CommaFeed alternatives in Collab are ranked by recent ship velocity. Browse the "CommaFeed alternatives" section above for the current picks, or visit /alternatives/commafeed for the full list with editorial commentary on each.
What are the best alternatives to Elgg?
Top Elgg alternatives in Collab are ranked by recent ship velocity. Browse the "Elgg alternatives" section above for the current picks, or visit /alternatives/elgg for the full list with editorial commentary on each.