Simple, transparent pricing

The Sonar Code Editor is free and open source. Upgrade to Pro for the host portal, or talk to us about Enterprise for your organization. All paid prices are in Sri Lankan Rupees (LKR).

Prices last reviewed: August 4, 2026

Free

The full open-source Sonar Code Editor for participants and local collaboration.

LKR 0 forever
  • Full Sonar Code Editor for macOS, Windows, and Linux
  • Monaco editor with 13+ languages
  • Yjs real-time collaboration (LAN sessions)
  • Localhost-only secured preview
  • Local activity logs and PDF reports
  • Offline-first workspace
Download
Recommended

Pro

Host portal for hackathons, exams, and supervised coding sessions.

LKR 5,000 per month
  • Host admin dashboard with live telemetry
  • Hackathon and event creation and management
  • Real-time risk scoring (LOW / MEDIUM / HIGH)
  • Cross-event monitoring and saved analysis reports
  • Shareable hackathon invite links
  • Per-event restrictions (block internet, require empty workspace)
  • Email, Google, and GitHub host authentication
  • Individual host account
Get started

Enterprise

Organization-scale supervision with dedicated support and deployment options.

Let's talk custom pricing
  • Everything in Pro
  • Organization accounts with multiple organizers
  • Encrypted password-backed team invites
  • Custom branding and theme defaults
  • Priority support and onboarding
  • Custom deployment and SLA options
  • Higher event and participant limits
Contact us

Payment & delivery

  • Pro subscriptions are billed monthly in LKR through PayHere (cards and other methods shown at checkout).
  • Services are digital only: host portal access is activated on your account after successful payment, usually within minutes.
  • No physical shipping. Enterprise pricing is agreed in writing before invoicing.

Policies

Purchases are subject to our Terms and Conditions, Privacy Policy, and Return & Refund Policy (including refunds to your original payment method).

Frequently asked questions

Is the editor really free?

Yes. The Sonar Code Editor is open source under the MIT License. You can download and use it at no cost for coding, collaboration, and local supervision.

What does Pro include?

Pro unlocks the host web portal: live telemetry, hackathon management, risk scoring, monitoring dashboards, and shareable invite links for supervised events.

Can I upgrade later?

Absolutely. Start with the free editor and upgrade to Pro when you need the host portal. Enterprise plans are available for organizations with custom requirements.

Pro subscriptions are covered by our Return & Refund Policy.