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APIs · head to head

curl vs Liveblocks

curl logo

curl

APIs

Command-line tool for transferring data using URLs with wide protocol support

From
Free
Rated
-
Full reviewWebsite
Liveblocks logo

Liveblocks

APIs

Realtime collaboration infrastructure for building multiplayer features

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: curl open-source with no vendor pricing: curl is free and open-source under GPL 3.0; no subscription or licensing costs apply; Liveblocks on the Free plan, each metered feature has a hard cap and simply pauses when exceeded rather than allowing overage.
  • They diverge on capability: curl covers HTTP/HTTPS, Liveblocks covers Realtime presence and cursors.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which curl and Liveblocks actually diverge.

Attributes where curl and Liveblocks differ
AttributecurlLiveblocks
Pricing modelopen-sourcefreemium
PlatformsLinux, MacOS, Windows, Unix, Mobileweb, api
Founded1997Unknown

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

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 curl

  • HTTP/HTTPS
  • FTP
  • Multiple protocols
  • Universal compatibility
  • Scripting tools
  • Linux support
  • MacOS support
  • Windows support

Only in Liveblocks

  • Realtime presence and cursors
  • Comments
  • Version history
  • Custom notifications
  • SSO and SOC 2
  • Management API

What people use each for

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

curl

  • API Developmentnot Liveblocks
  • API Gatewaynot Liveblocks
  • API Testingnot Liveblocks
  • API Documentationnot Liveblocks
  • Microservicesnot Liveblocks

Liveblocks

  • Adding live cursors and presence to a collaborative editornot curl
  • Building threaded comments on documents or designsnot curl
  • Sending realtime notifications tied to collaborative actionsnot curl
  • Restoring previous versions of collaborative contentnot curl

Where each one falls short

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

curl

  • Open-source with no vendor pricing: curl is free and open-source under GPL 3.0; no subscription or licensing costs apply
  • Commercial support costs hidden: site references 'commercial support available' but pricing is not detailed or accessible from homepage
  • No SaaS model: curl is a command-line tool and library; costs are limited to optional commercial support contracts (pricing unknown)
  • Self-support burden: free software means customers rely on community forums or undisclosed commercial support pricing

Liveblocks

  • On the Free plan, each metered feature has a hard cap and simply pauses when exceeded rather than allowing overage.
  • The jump from Pro ($30/month) to Team (starting at $600/month) is steep for teams that outgrow Pro but don't need full Team scale.
  • Multi-region hosting and SCIM provisioning are Enterprise-only and require custom pricing.

Pricing, plan by plan

curl

Free
  • Open SourceFree
    • Full curl functionality
    • Community support

Liveblocks

Free
  • FreeFree
    • 10 projects
    • 3 dashboard seats
    • 10 simultaneous connections per room
  • Pro$30/month
    • $30 monthly credits
    • Removes Liveblocks branding
    • 3 dashboard seats
  • Team$600/month
    • SSO and SOC 2
    • 10 dashboard seats
    • 50 connections/room

Which should you pick?

Choose curl if

  • You need http/https.
  • You want to start without paying.
  • You work on Linux, MacOS, Windows, Unix, Mobile.
  • You also want ftp.
curl review

Choose Liveblocks if

  • You need realtime presence and cursors.
  • You want to start without paying.
  • You work on web, api.
  • You also want comments.
Liveblocks review

Questions people ask

Is curl or Liveblocks better?
Neither clearly leads. curl starts at Free and Liveblocks at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, curl or Liveblocks?
curl starts at Free and Liveblocks at Free.
Does curl or Liveblocks run on more platforms?
curl runs on Linux, MacOS, Windows, Unix, Mobile. Liveblocks runs on web, api.
Can I use curl for free?
Both have a free tier, so you can try either at no cost before committing.
What is curl best used for?
curl is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Liveblocks is typically brought in for.
What can curl do that Liveblocks cannot?
curl covers HTTP/HTTPS, FTP, Multiple protocols, Universal compatibility. Liveblocks covers Realtime presence and cursors, Comments, Version history, Custom notifications.

Answered from the vendors’ own pages

curl: How much does curl cost?

curl is free and open-source software under the GPL 3.0 license. There is no cost to download, use, or modify the software.

Source
Liveblocks: What does Liveblocks cost?

Liveblocks offers a Free plan with hard usage caps, a Pro plan at $30/month ($25/month billed annually) including $30 in monthly credits, a Team plan from $600/month, and custom Enterprise pricing.

Source
curl: Is commercial support available for curl?

Yes. The curl website references 'commercial support available,' but pricing and details are not disclosed on the homepage and require visiting the support page.

Source
Liveblocks: Is there a free plan, and what are its limits?

Yes, the Free plan includes 10 projects, 3 dashboard seats, 10 simultaneous connections per room, 3,000 collaboration minutes, 200 comments, and 1GB of realtime data storage, with features pausing once a cap is hit.

Source
curl: Can I sponsor curl financially?

Yes. The curl website offers an option to 'Sponsor curl financially.' Visitors can donate to support curl development, but the donation link must be accessed through the site's support section.

Source
Liveblocks: How is usage metered?

Paid plans include monthly credits covering collaboration minutes, comments, and storage; usage beyond the credit is billed at metered rates such as $0.002 per collaboration minute and $0.01 per comment, with credits resetting each billing cycle without rollover.

Source
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