Kasm Workspaces

Kasm Workspaces is a secure platform for browser isolation, virtual desktops, and streamed applications. It fits organizations that need centralized control over remote sessions while choosing among on-premises, cloud, disconnected, or hybrid deployment. Its broad workspace and security toolkit is compelling, but the free edition is unsuitable for commercial production use and larger deployments require paid licensing or a quote.

Overview

Kasm delivers applications, desktops, and containerized sessions through a modern web browser, without requiring plugins, agents, or client installations. Both containerized sessions and virtual machine workspaces are supported, allowing administrators to match the delivery model to the workload rather than forcing every user into one type of environment.

Deployment can be on-premises, in disconnected or air-gapped environments, across multiple clouds, or in a hybrid architecture. KasmVNC, VNC, SSH, and RDP connectivity cover a wide range of remote-session requirements. That breadth is valuable for organizations with mixed infrastructure, although it also puts more responsibility on administrators to design, secure, and maintain the chosen architecture.

Key features

Access and security controls

Group policies, role-based access control, and session-level controls let administrators define who can reach each workspace and how sessions operate. File-transfer controls and data-loss-prevention restrictions address data movement, while session recording supports oversight. Profile management preserves user settings across sessions, making recurring access less disruptive.

LDAP, SAML, and OIDC authentication providers support established identity environments. Kasm also describes integrations with security tools, infrastructure, operational workflows, and existing VDI, PAM, IAM, SIEM, and DLP initiatives. These options make Kasm a plausible layer in a larger access program rather than an isolated remote desktop product.

Workspace delivery

Application virtualization, remote isolation, GPU support, and both desktop types extend the platform beyond basic browser access. Web browsers, Windows, macOS, Linux, and desktop or mobile progressive web apps are supported on the client side, which helps organizations serve varied endpoints without distributing a dedicated client.

Kasm states that it has achieved SOC 2 Type II and CMMC Level 2 certifications. Those certifications do not automatically make an organization compliant: the resulting posture still depends on how controls are implemented, managed, monitored, and maintained in its own environment.

Pricing

Kasm uses a freemium model, with paid plans starting at $10 per user. The Community plan costs nothing and permits five concurrent sessions. Commercial use is unavailable, so it is appropriate for noncommercial evaluation or similarly limited use, not a small business’s production service.

Starter — Named User costs from $10 (priced on request) with named-user licensing, a license minimum of fewer than 25, commercial use, and web category filtering. This model suits organizations that can assign licenses to specific people and do not need to share a smaller pool of concurrent seats.

Starter — Concurrent Session costs from $20 (priced on request) with concurrent-session licensing, the same fewer-than-25 license minimum, commercial use, and web category filtering. It is the more natural fit for fluctuating users who share access, but its listed price is double the named-user entry price.

Enterprise has custom pricing, a license minimum above 25, commercial use, and hosted SaaS availability. Enterprise support adds direct access to technical support engineers, defined response-time SLAs, deployment and upgrade guidance, and architecture and scaling advice. That is the sensible tier for larger or operationally critical environments, but the purchase requires a quote.

Platforms

Kasm is available through web browsers and supports Windows, macOS, Linux, and desktop and mobile PWAs. Its platform supports API, Linux, web, and self-hosted operation, with hybrid deployment as the stated deployment model. The result is a strong fit for teams combining local infrastructure with cloud capacity or maintaining isolated environments.

Who it's for

Choose Kasm when you need browser-delivered desktops or applications, controlled browser isolation, mixed container and virtual-machine workspaces, or integration with established identity and security systems. It is especially relevant to organizations that require disconnected or air-gapped deployment and administrators who need session recording, data-loss prevention, and granular access policies.

It is a weaker fit for commercial teams seeking a genuinely free ongoing service: Community is capped at five concurrent sessions and excludes commercial use. Smaller organizations should also compare the named-user and concurrent-session economics carefully, while larger deployments should budget for Enterprise quoting and implementation work.

Pros and cons

• Pros: Browser access avoids client, agent, and plugin installation; container and virtual-machine workspaces cover different delivery needs; on-premises, air-gapped, multicloud, and hybrid deployment support unusual infrastructure; LDAP, SAML, and OIDC plus VDI, PAM, IAM, SIEM, and DLP integrations support centralized administration; session recording, file-transfer controls, and data-loss prevention provide meaningful governance.
• Cons: Community allows only five concurrent sessions and forbids commercial use; Starter pricing uses two different licensing models and does not state a billing period; Enterprise pricing requires a quote and a minimum above 25 licenses; the many deployment and control choices demand careful operational management.

Alternatives

For a browser-isolation-focused comparison, see Browser Isolation Software. For infrastructure centered on remote desktops, see Virtual Desktop Infrastructure Software.

BrowserGap is worth considering when an AGPL-3.0, source-available community edition and broad self-hosted platform coverage are priorities; its free use has stated government, researcher, journalist, and nonprofit conditions.

Netzilo Enterprise Browser suits teams wanting a free tier for up to five users and 100 devices, with community support, plus a free trial.

VirtualBrowser is an alternative for buyers seeking SaaS or on-premises deployment with shared or dedicated server options and quote-based pricing.

Zscaler Private Access is a paid private-access alternative with a limited Essentials platform option for 5% of users.

Menlo Security Secure Cloud Browser is a paid option with custom quotes varying by products and users.

Check Point Harmony SASE offers a 30-day trial before a license is required.

iboss Cloud is a paid alternative combining web filtering, URL categorization, basic CASB controls, HTTPS decryption, and cloud connector agents.

Netskope One Private Access is an enterprise product with quote-based pricing and a free trial.

Verdict

Kasm Workspaces is a strong choice for organizations that need controlled, browser-accessible desktops and applications across complex or isolated infrastructure. Its main reason to choose is the combination of flexible deployment, broad workspace support, and serious session and data controls. Look elsewhere if five concurrent sessions cannot support your noncommercial evaluation, if you need a permanently free commercial tier, or if you want transparent Enterprise pricing without requesting a quote.