What Is a Social Server?
Mix (12 tools)
- License: 9 open source · 3 proprietary
- Hosting: 7 self-hosted · 3 SaaS · 2 both
A social server is software an organization runs to host its own social space – a feed, a forum, or a member network – for a bounded community rather than the open internet. The organization controls the instance: who joins, what the rules are, where the data lives, and (for the self-hostable tools) which server it runs on.
This is the platform you operate, not a tool to manage a presence on someone else’s platform. A company stands up one of these to run an internal social feed for staff, a customer or partner community, a user forum, or a private fediverse instance – the social-software equivalent of running your own mail server instead of posting on a public network.
About this data & disclaimer
The information on these pages was researched by a combination of human review and large language models. This catalogue serves as a reference for the resources, applications, devices, deployment payloads, and other components that the ResorsIT platform integrates, deploys, and manages. To suggest an addition or correction, please contact us. Prepared by Rhodium Systems Inc., author of the ResorsIT platform — a unified IT operations management platform for IT teams and MSPs that integrates a curated suite of open-source, commercial, and SaaS applications into a single system with shared identity, single sign-on, access control, and a common audit trail. This information is compiled on a best-effort basis: it may be incomplete, contain errors, and become out of date as tools, vendors, licences, and features change. Use this catalogue only as a starting point for your own research, and independently verify and review any tool carefully against your own requirements before relying on it.
Comparison
Cross-tool comparison for the social server category: platforms an organization runs to host its own social space – a feed, a forum, or a member network – for a bounded internal or external+internal community, rather than the public consumer networks.
Shape & Model
| Tool | Shape | Federated (ActivityPub) | Primary content unit |
|---|---|---|---|
| Mastodon | Microblog | Yes | Short posts, follows, boosts |
| Misskey | Microblog | Yes | Posts + custom-emoji reactions |
| Akkoma | Microblog | Yes | Posts (Pleroma-family, light) |
| GoToSocial | Microblog | Yes | Posts (no first-party web UI) |
| Lemmy | Forum / aggregator | Yes | Communities, link/text posts, votes |
| Discourse | Forum | No | Categories, topics, threads |
| NodeBB | Forum | No | Categories, topics (real-time) |
| Flarum | Forum | No | Tag-based discussions |
| Mattermost | Chat | No | Channels, threads, DMs |
| Circle | Membership | No | Spaces (posts + courses + events) |
| Mighty Networks | Membership | No | Spaces (feed + courses) |
| Bettermode | Membership | No | Embeddable spaces |
Federation & Privacy Posture
Only the fediverse tools federate; for all of them, an operator can run the instance closed or allow-listed for a private community:
| Tool | Federation control for a closed community |
|---|---|
| Mastodon | Allow-list mode + secure-fetch + per-domain blocks |
| Misskey | Per-instance silence/suspend; allow/deny lists |
| Akkoma | MRF policy engine (powerful per-instance rules) |
| GoToSocial | Allow-list federation by design; privacy-first defaults |
| Lemmy | Instance + community allow/block lists |
| Discourse / NodeBB / Flarum | N/A (not federated; inherently closed) |
| Mattermost | N/A (not federated; inherently closed) |
| Circle / Mighty / Bettermode | N/A (single-tenant SaaS; inherently closed) |
Access Control & Authentication (→ Authentik)
| Tool | OIDC | SAML | LDAP | SCIM | Mechanism |
|---|---|---|---|---|---|
| Mastodon | native | native | native | none | Bundled OmniAuth (env config) |
| Misskey | none | none | none | none | Local accounts + TOTP/passkey only |
| Akkoma | plugin | none | native | none | LDAP built in; OIDC via Ueberauth |
| GoToSocial | native | none | none | none | Built-in OIDC |
| Lemmy | native | none | none | none | OAuth/OIDC (0.19.x+) |
| Discourse | plugin | plugin | plugin | none | DiscourseConnect native; OIDC plugin |
| NodeBB | plugin | plugin | plugin | none | SSO plugins |
| Flarum | plugin | plugin | plugin | none | OAuth/OIDC/SAML/LDAP extensions |
| Mattermost | native | paid | paid | paid | OIDC free; SAML/LDAP/SCIM Enterprise |
| Circle | paid | paid | none | none | SSO on higher SaaS tiers |
| Mighty Networks | none | none | none | none | Native + social login only |
| Bettermode | paid | paid | none | none | JWT SSO + SAML/OIDC on higher tiers |
Mastodon is the only tool here that ships OIDC, SAML, and LDAP in the core; Misskey and Mighty Networks have no standards-based SSO at all.
Deployment & Licensing
| Tool | License | OSS | Self-host | SaaS |
|---|---|---|---|---|
| Mastodon | AGPL-3.0-only | Yes | Docker / native / K8s | 3rd-party hosts |
| Misskey | AGPL-3.0-only | Yes | Docker / native | 3rd-party hosts |
| Akkoma | AGPL-3.0-only | Yes | Docker / native | – |
| GoToSocial | AGPL-3.0-only | Yes | Docker / native / K8s | – |
| Lemmy | AGPL-3.0-only | Yes | Docker / native / K8s | 3rd-party hosts |
| Discourse | GPL-2.0-only | Yes | Docker | Official hosting |
| NodeBB | GPL-3.0-only | Yes | Docker / native | Official hosting |
| Flarum | MIT | Yes | Docker / native | 3rd-party hosts |
| Mattermost | AGPL-3.0-only | Yes | Docker / native / K8s | Official cloud |
| Circle | Proprietary | No | – | SaaS only |
| Mighty Networks | Proprietary | No | – | SaaS only |
| Bettermode | Proprietary | No | – | SaaS only |
Scale & Target Audience
| Tool | Operational weight | Best-fit audience |
|---|---|---|
| Mastodon | Heavy (multi-service) | Full-featured public/community instance |
| Misskey | Heavy | Feature-rich, customizable community |
| Akkoma | Light | Small private/internal fediverse instance |
| GoToSocial | Very light (1 binary) | Tiny private internal feed |
| Lemmy | Medium | Internal/customer Q&A + discussion board |
| Discourse | Medium-heavy | Flagship customer or staff forum |
| NodeBB | Medium | Real-time customer/internal forum |
| Flarum | Light | Simple, fast self-hosted forum |
| Mattermost | Medium-heavy | Chat-led internal or member community |
| Circle | None (SaaS) | Paid membership / creator community |
| Mighty Networks | None (SaaS) | Branded membership + courses |
| Bettermode | None (SaaS) | Embedded customer/product community |
Monitoring Integration
The self-hostable tools expose standard signals a Telegraf / Fluent Bit / Grafana stack can collect: Prometheus/StatsD metrics where available, plus PostgreSQL/Redis input plugins for their dependencies (Telegraf → InfluxDB), application logs via Fluent Bit → OpenSearch, and dashboards/alerts in Grafana/AlertManager. The SaaS platforms expose only vendor analytics and (some) webhooks; monitoring applies to the integration boundary, not the runtime.
Suitability Summary
- Internal staff feed – Mastodon (full), or GoToSocial/Akkoma (light) with federation off and Authentik SSO. Mattermost if a chat-led space is wanted.
- Customer / community forum – Discourse (strongest), Lemmy (federated, Reddit-style), NodeBB or Flarum (lighter). All proxy-frontable + SSO-capable.
- Paid membership / branded community – Circle / Mighty Networks / Bettermode are the SaaS options; integrate by SSO redirect only, no self-host, no runtime monitoring.
Tools
12 tools.
Akkoma
Akkoma is a lightweight, self-hostable federated (ActivityPub) microblogging server – a maintained fork of Pleroma written in Elixir – that runs a fediverse instance on modest hardware with a Mastodon-compatible API.
License: AGPL-3.0-only (OSS) · Kind: web · Deploy: docker, direct · SSO: OIDC · Tags: fediverse, activitypub, microblog, pleroma, self-hosted
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on · Directory / LDAP
Bettermode
Bettermode (formerly Tribe) is a proprietary SaaS customer-community platform – embeddable, highly customizable discussion spaces with gamification, a GraphQL API, and an app store – aimed at brand and product communities.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML · Tags: community, customer-community, saas
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on
Circle
Circle (circle.so) is a proprietary all-in-one SaaS community platform for creators and brands – discussion spaces, courses, events, live streams, chat, and paid memberships under a branded web and mobile presence.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML · Tags: community, membership, courses, saas
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on
Discourse
Discourse is the flagship open-source community-forum platform – threaded discussion with trust levels, gamification, and rich moderation – self-hosted via Docker or run as managed hosting, for customer or internal communities.
License: GPL-2.0-only (OSS) · Kind: web · Deploy: docker, saas · SSO: OIDC, SAML · Tags: forum, community, discussion, self-hosted
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on · Directory / LDAP
Flarum
Flarum is a lightweight, fast, open-source forum platform (PHP + Mithril.js) – simple, modern, extension-driven discussion software for self-hosted customer or internal communities.
License: MIT (OSS) · Kind: web · Deploy: docker, direct · SSO: OIDC, SAML · Tags: forum, community, discussion, self-hosted
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on · Directory / LDAP
GoToSocial
GoToSocial is a lightweight, single-binary federated (ActivityPub) server written in Go – a low-footprint fediverse instance with strong privacy defaults and built-in OIDC, driven by standard Mastodon-API client apps.
License: AGPL-3.0-only (OSS) · Kind: service · Deploy: docker, direct, k8s · SSO: OIDC · Tags: fediverse, activitypub, microblog, lightweight, self-hosted
ResorsIT usage: Deployment Payload
Access & Identity: Single sign-on · Local host account · Key-based access
Lemmy
Lemmy is a self-hostable, federated (ActivityPub) link-aggregator and discussion platform – a Reddit-like network of topic communities with posts, threaded comments, and voting – run as an organization’s own forum instance.
License: AGPL-3.0-only (OSS) · Kind: web · Deploy: docker, direct, k8s · SSO: OIDC · Tags: fediverse, activitypub, forum, link-aggregator, self-hosted
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on
Mastodon
Mastodon is a self-hostable, federated (ActivityPub) microblogging server – a feed of short posts, follows, and reactions that an organization runs as its own social-network instance, open to the fediverse or closed for a private community.
License: AGPL-3.0-only (OSS) · Kind: web · Deploy: docker, direct, k8s · SSO: OIDC, SAML · Tags: fediverse, activitypub, microblog, social-network, self-hosted
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on · Directory / LDAP
Mattermost
Mattermost is a self-hostable, open-source chat-first collaboration platform (a Slack alternative) usable as a closed community server – channels, threads, and integrations for an internal staff space or a members-only community.
License: AGPL-3.0-only (OSS) · Kind: web · Deploy: docker, direct, k8s · SSO: OIDC, SAML · Tags: chat, community, collaboration, self-hosted, slack-alternative
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on · Directory / LDAP · Provisioned account
Mighty Networks
Mighty Networks is a proprietary SaaS platform for branded membership communities – combining a social feed, courses, events, and paid memberships with white-label web and mobile apps.
License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: none · Tags: community, membership, courses, saas
ResorsIT usage: Web App without SSO
Access & Identity: Vaulted credential
Misskey
Misskey is a feature-rich, self-hostable federated (ActivityPub) microblogging server – known for custom emoji reactions, a Drive file system, MFM rich text, and heavy UI customization – run as an organization’s own social instance.
License: AGPL-3.0-only (OSS) · Kind: web · Deploy: docker, direct · SSO: none · Tags: fediverse, activitypub, microblog, social-network, self-hosted
ResorsIT usage: Web App without SSO
Access & Identity: Forward-auth · Vaulted credential
NodeBB
NodeBB is an open-source, real-time forum platform built on Node.js – modern threaded discussion with a social-feed feel, plugins, and themes – self-hosted or via managed hosting for customer or internal communities.
License: GPL-3.0-only (OSS) · Kind: web · Deploy: docker, direct, saas · SSO: OIDC, SAML · Tags: forum, community, discussion, self-hosted
ResorsIT usage: Web App with SSO
Access & Identity: Single sign-on · Directory / LDAP
