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SPECIFICTION
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Stack Exchange vs UNA

Stack Exchange

stackexchange.com

UNA

unacms.com

Side by side

FigureStack ExchangeUNA
Price fromFree$20/mo
Free planYesYes
Free trial——
Open source—Yes
WebYesYes
Linux—Yes
iOS—Yes
Android—Yes
APIYesYes
Self-hosted—Yes
Plans published14
Spec score · Community Platforms8.0 (#65)9.5 (#1)
APIThe Stack Exchange API supports programmatic access to the network and documents authentication and write support.UNA 15 exposes a REST-style JSON HTTP API at /api.php, protected by API keys and allowed origins after being enabled in Settings.
Founded20082000
Free planYesYes
Mobile appsnoneboth
Moderation toolsYesYes
Private spacesYesYes

Plans

Stack Exchange

  • Public Stack Exchange networkFree

Stack Exchange pricing →

UNA

  • StandardFree
  • UNA CMS basicFree
  • Pro$20 a month
  • Max$100 a month

UNA pricing →

In their own words

Stack Exchange

Stack Exchange has no write-up on Specifiction yet; its figures are above.

Visit stackexchange.com

UNA

UNA is an open-source platform for building community sites, social networks, collaboration spaces, and educational portals. Its core tools include feeds, posts, groups, events, messaging, courses, discussions, a wiki, and collaboration features. Studio provides no-code controls for apps, roles, pages, forms, menus, design, and languages. UNA offers a REST API and OAuth 2.0 server, and can run as a full platform or a headless backend. Listed integrations include Stripe, Shopify, Snipcart, Mailchimp, Intercom, Google Tag Manager, and Rocket.Chat through the Chat+ app. AI agents can use 13 model providers, including local models through Ollama, and connect to vector stores such as Pinecone and Qdrant. UNA runs on a customer’s domain and servers, with files stored on local disk or S3-compatible storage. The maker lists SSL, antispam, audit logs, two-factor sign-in, and regular security fixes, and says it helps customers prepare for GDPR, HIPAA, and CCPA. Standard is free; Pro is $20 a month; Max is $100 a month. All plans list unlimited projects and deployments.

Visit unacms.com