Teable
Teable ships Scheduled Routines, a four-tier AI model system, and multi-model image generation — three sparks in five days
Comparison · Collab
Elgg vs Mattermost
A side-by-side editorial comparison of Elgg and Mattermost — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:self-hosted
Elgg vs Mattermost: at a glance
What is Elgg?
Elgg 7.1.0 adds invitation-only groups and designates MariaDB as its primary database
Elgg is a mature open-source PHP social networking framework used primarily for self-hosted community platforms. The 7.0 major version shipped in May 2026 and introduced system-level IP logging, accessibility improvements, and a generic entity controller. Since then the 7.x branch has been in a stabilization phase — the team maintains both 7.x for current users and the 6.x branch for security backports, with coordinated dual-branch release patterns visible across the changelog.
What is Mattermost?
Mattermost v11.11 adds data spillage exposure tracking as v12.0 breaking changes loom
Mattermost is a self-hosted, air-gap-capable team communications platform with a clear focus on defense, government, and critical infrastructure. The v11.11 release adds a post exposure radius report that lets compliance reviewers quickly see who may have accessed a flagged message. Recent releases have extended ABAC governance to team-level membership with native user attributes, removing the integration overhead previously required for attribute-based policy control.
Elgg vs Mattermost: editorial side-by-side
Elgg
5.0COLLAB
Elgg 7.1.0 adds invitation-only groups and designates MariaDB as its primary database
◆ Current state
Elgg is a mature open-source PHP social networking framework used primarily for self-hosted community platforms. The 7.0 major version shipped in May 2026 and introduced system-level IP logging, accessibility improvements, and a generic entity controller. Since then the 7.x branch has been in a stabilization phase — the team maintains both 7.x for current users and the 6.x branch for security backports, with coordinated dual-branch release patterns visible across the changelog.
◆ Where it's heading
Elgg 7.1.0 moves in two directions simultaneously: infrastructure positioning (MariaDB as the explicit recommended database for self-hosted deployments) and access control granularity (invitation-only group membership, admin-only menu items in entity actions). These are consistent investments in making Elgg viable for communities that need fine-grained permission models. The dual 6.x/7.x maintenance cadence reflects a conservative community that upgrades slowly and values stability over feature pace.
◆ Prediction
Continued dual-branch maintenance with 7.x accumulating incremental access control and entity management features while 6.x receives security backports. Given the 7.1.0 MariaDB recommendation, database-specific optimizations or stricter compatibility requirements for MariaDB are a plausible next step.
Mattermost
5.0COLLAB
Mattermost v11.11 adds data spillage exposure tracking as v12.0 breaking changes loom
◆ Current state
Mattermost is a self-hosted, air-gap-capable team communications platform with a clear focus on defense, government, and critical infrastructure. The v11.11 release adds a post exposure radius report that lets compliance reviewers quickly see who may have accessed a flagged message. Recent releases have extended ABAC governance to team-level membership with native user attributes, removing the integration overhead previously required for attribute-based policy control.
◆ Where it's heading
The product is building toward a full-stack governance and AI audit layer for regulated operators. v12.0 (October 2026) carries a significant deprecation load—RHEL 7/8 drop, glibc baseline bump, plugin breaking changes—signaling a platform modernization cycle. Alongside the product work, a sustained thought leadership push on Zero Trust maturity, sovereign AI, and agentic AI in air-gapped environments is positioning Mattermost directly against cloud-hosted collaboration tools in classified environments.
◆ Prediction
v12.0 will consolidate the recent ABAC and AI agent audit capabilities into a more integrated governance surface; self-hosted operators on RHEL 7/8 need to begin their infrastructure migration now to stay on the supported path.
Alternatives to Elgg and Mattermost
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 Elgg or Mattermost.
GitHub
GitHub Copilot tightens enterprise governance while AI security scanning drops its CodeQL prerequisite
SiYuan
SiYuan v3.8.4 beta cycle adds agent-controlled database fields, MiniMax image gen, and skill file management
Nextcloud
Nextcloud runs three LTS branches in parallel, shipping bug fixes and quiet performance wins.
Happeo
Happeo doubles down on SEO content to own intranet search terms for mid-market buyers.
AFFiNE
AFFiNE ships stable iOS Share Extension imports while patching editor correctness and selfhost deployment
See all Elgg alternatives → · See all Mattermost alternatives →
Recent activity from Elgg and Mattermost
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5h agoMattermostMattermost v11.11: Data Spillage Exposure Radius Report
- 1d agoMattermostOperational Resilience: Why It Must Be a Daily Practice
- 6d agoMattermostZero Trust in Practice: Identity, Part 2 — Advanced Identity, from Static Roles to Dynamic Access
- 6d agoElggElgg 7.1.0: invitation-only groups and MariaDB becomes the recommended database
- 8d agoMattermostAI Audit Trails: The Missing Piece of Enterprise AI Adoption
- 15d agoMattermostZero Trust in Practice: Identity, Part 1 — Building the Identity Foundation
- 20d agoMattermostWhat will be deprecated in Mattermost v12.0? (October 2026)
- 28d agoElggElgg 7.0.5
- 28d agoElggElgg 6.3.8
- 1mo agoElggElgg 7.0.4
- 1mo agoElggElgg 6.3.7
- 2mo agoElggElgg 7.0.3
Frequently asked questions
What is the difference between Elgg and Mattermost?
Both compete on the same themes — self-hosted — within Collab. Elgg and Mattermost 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 Elgg better than Mattermost?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Elgg and Mattermost 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 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.
What are the best alternatives to Mattermost?
Top Mattermost alternatives in Collab are ranked by recent ship velocity. Browse the "Mattermost alternatives" section above for the current picks, or visit /alternatives/mattermost for the full list with editorial commentary on each.