Withruntime alternatives
Tools that do what Withruntime does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Withruntime.
Read 2026-10-19 · Withruntime itself: Free plan · From $0.01 per use
With a free plan or free to use: InstaVM, The Cloud for AI Agents, GitHub, CrowNest, Ollama.
- #1
InstaVMDeveloper tools
Runs isolated Linux environments for AI agents with persistent storage, networking, and secret injection.
Can run on your serversMore widely used
34ActiveFrom $100/mo - #2
The Cloud for AI AgentsDeveloper tools
Launches isolated Linux sandboxes that execute untrusted code safely with 100ms startup times.
More widely used
37MaintainedFree plan - #3
ImbueDeveloper tools
Builds coding-agent tools such as Sculptor, which runs several coding agents in parallel in isolated workspaces under the developer's control.
Also: Code generation, AgentsMore widely used
35.2kActive - #4
Open AgentsDeveloper tools
Runs coding agents in isolated cloud sandboxes that edit files, run shell commands and commit work to git branches.
Open sourceAlso: Code generation, Agents
151Active - #5
TestMu AI (Formerly LambdaTest)Developer tools
Runs manual and automated Selenium, Playwright, Cypress and Appium tests on cloud browsers and real mobile devices, with test agents for generating tests.
Also: AgentsMore widely used
370kActiveFrom $17/mo2017 - #6
GitHubDeveloper tools
Hosts Git repositories with pull requests, code review, issue tracking and Actions pipelines for building, testing and deploying code.
Also: Workflow automation, Code generationMore widely used
42MFrom $4/user/mo2007 - #7
CrowNestDeveloper tools
Provides isolated Linux sandboxes for executing untrusted code with command streaming, artifact collection, and authenticated previews.
More widely used
1MaintainedFrom $20/mo - #8
OllamaDeveloper tools
Runs open-source language models locally or in cloud, with API access for coding agents.
Open sourceCan run on your servers
193kActiveFrom $20/mo2023 - #9
Testsigma Agentic Test Automation ToolDeveloper tools
Generates, runs, and maintains automated tests for web, mobile, and API applications with self-healing and confidence scoring.
Also: Agents, Workflow automationMore widely used
131kActiveContact sales2019 - #10
AI Operator by BLACKBOX AIDeveloper tools
Writes and edits code through a chat app, IDE extensions and a CLI coding agent that can call many different language models.
Costs moreAlso: Agents, Security
58.6kActiveFrom $0.30 per use
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How this list is made: the words Withruntime is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.