Specifiction
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your tool
Vendor dashboard
Tech riderRev. 21 Sept 2026

OpenLock

Ch 146.6of 22 Lockdown Browser Software
  1. 1Runs onLinux
  2. 2CostsNot stated by the maker
  3. 3Supported platformsLinux
  4. 4Blocks app switchingYes
  5. 5Blocks copy and printingYes
  6. 6Blocks screen captureYes
5 lines stated Written from the maker's own pages: github.com
Visit site Alternatives
The OpenLock homepage

Overview

OpenLock is ranked #14 of 22 in lockdown browser software on Specifiction. It runs on Linux.

Compared on lockdown browser software

Free plan
Yesgithub.com
Supported platforms
Linuxgithub.com
Blocks app switching
Yesgithub.com
Blocks copy and printing
Yesgithub.com
Blocks screen capture
Yesgithub.com

Facts

Purpose
OpenLock is an open-source lockdown exam browser for Linux intended to bring Safe Exam Browser style exam lockdown to Linux distributions.github.com · 30 Sept 2026
Exam status
The project says it is not exam-ready because its SEB key derivation is not byte-exact and has not been validated against a live LMS.github.com · 30 Sept 2026
SEB protocol
It parses .seb configuration files and attaches Browser Exam Key and Config Key headers to requests, but the project says these keys currently will not match an LMS handshake.github.com · 30 Sept 2026
Kiosk mode
Its kiosk mode uses fullscreen takeover via X11 override-redirect or a Wayland/Cage compositor.github.com · 30 Sept 2026
Process protection
A process guard monitors and kills prohibited processes such as screen recorders, virtual machines and remote desktop software.github.com · 30 Sept 2026
Input restrictions
Input lockdown blocks shortcuts including Alt+Tab, Alt+F4, Ctrl+C and PrintScreen, as well as clipboard use.github.com · 30 Sept 2026
Browser restrictions
Browser hardening disables DevTools, View Source, downloads, right-click, console and drag-and-drop.github.com · 30 Sept 2026
Integrity checks
The project lists VM, debugger and hypervisor detection, plus optional self-hash verification, as security measures.github.com · 30 Sept 2026
Navigation controls
OpenLock supports URL whitelist and blacklist filtering and navigation policy enforcement.github.com · 30 Sept 2026
LMS integrations
The project lists adapters for Moodle, Canvas and Blackboard, but says it has not been tested against live instances of those LMS platforms.github.com · 30 Sept 2026
Data handling
The security model specifies an off-the-record browser profile with no persistent storage and permissions denied by default.github.com · 30 Sept 2026
Linux requirements
The stated prerequisites include Ubuntu 22.04 or later, Fedora 38 or later, or Arch Linux, along with Qt6 and QtWebEngine.github.com · 30 Sept 2026
Distribution packaging
AppImage, .deb, .rpm and Flatpak packaging are listed as planned rather than available releases.github.com · 30 Sept 2026
License
The repository says the project follows the Mozilla Public License 2.0 and allows proprietary use if modifications to MPL-licensed files remain open.github.com · 30 Sept 2026
Native Linux app
It is built natively for Linux rather than through a compatibility layer.github.com · 30 Sept 2026
Process guard
It monitors and kills prohibited processes such as screen recorders, virtual machines and remote-desktop tools.github.com · 30 Sept 2026
Input lockdown
It blocks escape shortcuts including Alt+Tab, Alt+F4, Ctrl+C and PrintScreen and restricts clipboard use.github.com · 30 Sept 2026
Browser hardening
It disables developer tools, view source, downloads, right-click, console access and drag-and-drop.github.com · 30 Sept 2026
Security model
Its security model uses cgroups v2 process isolation, input capture, an off-the-record browser profile, denied permissions and URL filtering.github.com · 30 Sept 2026
Supported distributions
The documented prerequisites include Ubuntu 22.04 or newer, Fedora 38 or newer and Arch Linux.github.com · 30 Sept 2026
Current limitation
The repository states that OpenLock is not exam-ready because its SEB key derivation is not yet byte-exact and the LMS handshake fails.github.com · 30 Sept 2026
Validation status
The project has not been validated against a live Moodle, Canvas or Blackboard instance.github.com · 30 Sept 2026
Contribution support
The maker welcomes contributions and asks contributors to open an issue before making changes.github.com · 30 Sept 2026

Best OpenLock alternatives

See all 12
All accessCh 01 Eklavvya Free planAndroidAPI Free to start7.8 All accessCh 02 ThinkExam Free planFree trialAndroid from $3,125/mo7.7 All accessCh 03 Digiexam Free trialAndroidiOS from $124.67/mo7.2 All accessCh 04 ExamOnline AndroidiOS 7.2 All accessCh 05 PSI Secure Browser BrowserLinux 7.1 All accessCh 06 Safe Exam Browser Free planiOSMac Free to start7.1

Where it ranks on Specifiction

Is OpenLock yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote OpenLock

Sources