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APIs · head to head

Janus Gateway vs Mathesar

Janus Gateway logo

Janus Gateway

APIs

WebRTC gateway and media server for real-time communication

From
Free
Rated
-
Full reviewWebsite
Mathesar logo

Mathesar

Spreadsheets

Spreadsheet style interface that edits an existing PostgreSQL database directly, with no schema of its own

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Janus Gateway no commercial pricing published; open-source project without official commercial offerings; Mathesar there is no hosted offering of any kind, so a team without someone who can run and secure a server cannot use it at all.
  • They diverge on capability: Janus Gateway covers WebRTC Gateway, Mathesar covers Direct PostgreSQL editing.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Janus Gateway and Mathesar actually diverge.

Attributes where Janus Gateway and Mathesar differ
AttributeJanus GatewayMathesar
Pricing modelopen-sourceOpen source, no licence fee
PlatformsLinux, MacOS, BSDWeb, Linux
CategoryAPIsSpreadsheets
Founded2010Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Janus Gateway

  • WebRTC Gateway
  • Media Routing
  • Video Conferencing
  • RTP
  • SRTP
  • REST API
  • Linux support
  • MacOS support

Only in Mathesar

  • Direct PostgreSQL editing
  • PostgreSQL permissions
  • Schema editing
  • Data exploration
  • Relationship navigation
  • Import of tabular files
  • Self hosted only

What people use each for

The jobs each tool is most often brought in to do.

Janus Gateway

  • API Developmentnot Mathesar
  • API Gatewaynot Mathesar
  • API Testingnot Mathesar
  • API Documentationnot Mathesar
  • Microservicesnot Mathesar

Mathesar

  • A nonprofit or research group whose data is already in PostgreSQL and whose staff cannot write SQLnot Janus Gateway
  • Giving analysts a safe editing interface governed by database roles that already existnot Janus Gateway
  • Replacing a hand built Django or Rails admin screen that nobody wants to maintainnot Janus Gateway
  • Editing production reference data where an export, edit and reimport cycle would risk losing concurrent changesnot Janus Gateway

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Janus Gateway

  • No commercial pricing published; open-source project without official commercial offerings
  • Community-supported only; no vendor commercial support or SLA available

Mathesar

  • There is no hosted offering of any kind, so a team without someone who can run and secure a server cannot use it at all.
  • It works only with PostgreSQL, so a MySQL, SQL Server or SQLite estate is excluded outright.
  • There are no automations, no webhooks and effectively no integration catalogue, so it edits data and does nothing else.
  • Because it writes to the live database, a careless bulk edit or column type change is a production change with no staging step and no undo.
  • Development is grant and community funded rather than commercially funded, so roadmap pace and long term continuity carry a different risk profile from a venture backed vendor.

Pricing, plan by plan

Janus Gateway

Free
  • Open SourceFree
    • Core WebRTC gateway
    • Community support

Mathesar

Free
  • Self hosted open sourceFree
    • No licence fee
    • No hosted option offered
    • Connects to your existing PostgreSQL database

Which should you pick?

Choose Janus Gateway if

  • You need webrtc gateway.
  • You want to start without paying.
  • You work on Linux, MacOS, BSD.
  • You also want media routing.
Janus Gateway review

Choose Mathesar if

  • You need direct postgresql editing.
  • You want to start without paying.
  • You work on Web, Linux.
  • You also want postgresql permissions.
Mathesar review

Questions people ask

Is Janus Gateway or Mathesar better?
Neither clearly leads. Janus Gateway starts at Free and Mathesar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Janus Gateway or Mathesar?
Janus Gateway starts at Free and Mathesar at Free.
Does Janus Gateway or Mathesar run on more platforms?
Janus Gateway runs on Linux, MacOS, BSD. Mathesar runs on Web, Linux.
Can I use Janus Gateway for free?
Both have a free tier, so you can try either at no cost before committing.
What is Janus Gateway best used for?
Janus Gateway is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Mathesar is typically brought in for.
What can Janus Gateway do that Mathesar cannot?
Janus Gateway covers WebRTC Gateway, Media Routing, Video Conferencing, RTP. Mathesar covers Direct PostgreSQL editing, PostgreSQL permissions, Schema editing, Data exploration.

Answered from the vendors’ own pages

Janus Gateway: How much does Janus Gateway cost?

Janus Gateway has no pricing model; it is a free open-source WebRTC server developed by Meetecho. The general-purpose server is available for download at no cost. There are no subscription tiers or commercial licensing fees.

Source
Mathesar: Is there a cloud version?

No. Self hosting is the only option, and that is a deliberate project decision rather than a gap waiting to be filled.

Janus Gateway: Is Janus Gateway supported commercially?

Janus Gateway is community-supported open-source software with no official commercial support or SLA from the vendors. While Meetecho developed the project, users must rely on community documentation and forums for assistance.

Source
Mathesar: How does it handle permissions?

Through PostgreSQL roles and privileges directly, so there is no second permission model to keep in step.

Mathesar: What is the row limit?

Whatever PostgreSQL can handle. Mathesar adds no storage layer of its own.

Mathesar: Does it support databases other than PostgreSQL?

No.

Mathesar: Can it replace Airtable?

Only for editing and exploring data. There are no automations, apps or integrations.

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