Flagsmith vs Whiteboard
Flagsmith and Whiteboard are both developer tools tools. Flagsmith is aimed at developers and small businesses, while Whiteboard is aimed at developers and enterprise. Both have a free plan.
Open-source feature flags and A/B tests, cloud or self-hosted
Open-source desktop canvas for reviewing coding agent work
| Pricing | Open source · $45 | Open source |
| Starting price | $45/mo | Not published |
| Free plan | Yes | Yes |
| Free trial | 14 days | — |
| Built for | Developers, Small businesses, Enterprise | Developers, Enterprise, Small businesses |
| Platforms | web | macos, windows, linux |
| Country | GB | — |
| Rating | — | — |
Choose Flagsmith if
Engineering teams that want open-source, self-hostable feature flags with optional cloud hosting and built-in experiments.
- Open source under BSD-3-Clause with a real self-hosting path
- Unlimited flags, environments and segments on every plan
- Wide SDK coverage including mobile and Flutter
Look elsewhere if: Teams that want flags bundled with product analytics or a large enterprise vendor ecosystem (PostHog, LaunchDarkly).
Choose Whiteboard if
Developers who let coding agents write large changes and want a visual, architecture-level way to review them.
- Free and MIT-licensed, runs against local checkouts
- Works with the coding agents teams already use
- Reviews structure and decisions, not only changed lines
Look elsewhere if: Teams that need an editor or a full review workflow with approvals and comments (GitHub, Cursor).
Flagsmith vs Whiteboard pricing
Flagsmith
- Free$050k requests/mo, 1 team member, 1 project
- Start-Up$45/mo$40/mo billed yearly; 1M requests, 3 members, A/B testing
- Scale-Up$300/mo$250/mo yearly; 5M requests, SAML SSO, roles, audit logs
- EnterpriseCustomPrivate cloud or on-prem, SLA, onboarding, priority support
Whiteboard
- Open source$0MIT-licensed desktop app for macOS, Windows and Linux
Flagsmith · Key features
- Feature flags and remote config with user, segment and percentage targeting
- Bayesian A/B experiments built directly on existing flags
- Scheduled flags, multivariate flags and change requests
- SDKs for JavaScript, React, iOS, Android, Flutter, Python, Go and Rust
- OpenFeature provider for cloud, private cloud and self-hosted setups
- Audit logs, roles and permissions for governance
Cons
- Free cloud plan allows only one team member
- SSO, roles and audit logs require Scale-Up at $250 or more a month
- Experiments v1 supports one primary metric per test
Whiteboard · Key features
- Agent-drawn sequence and entity relationship diagrams linked to code
- AST-aware semantic diff viewer written in Rust
- Pseudocode summaries of long functions and collapsed test changes
- Decision log of agent traces for auditing autonomous choices
- Code OSS base with VS Code keybindings and LSP support
- Automatic MCP setup for Claude Code, Codex, Cursor and OpenCode
Cons
- Beta software; files cannot be edited inside the app
- Reviews spanning several repositories are poorly supported
- Shared reviews do not update and must be re-shared
Flagsmith vs Whiteboard: FAQ
Do Flagsmith and Whiteboard have a free plan?
Yes, both Flagsmith and Whiteboard have a free plan; paid plans add more usage and features.