10 best sktime alternatives

Knime

KNIME provides a free open-source Analytics Platform for visual data science workflows spanning ETL, analytics, machine learning, and generative AI. Paid Hub plans add collaboration, automation, secrets management, and enterprise governance on top of the desktop builder.

• From $19/mo
• Free plan
• API unknown

Best for: Data teams and analysts who want drag-and-drop pipelines with optional paid automation and team governance in KNIME Hub.

Tiptap Editor 3.0 Beta

Tiptap is a headless rich-text editor framework with 100+ extensions and a paid Tiptap Platform for collaboration, comments, DOCX conversion, AI toolkit agents, and cloud documents. Developers embed the open-source editor or buy hosted platform tiers for production document apps.

• From $49/mo

Laminar

Laminar is an open-source agent observability platform that captures LLM calls, tool calls, sub-agents, costs, and tokens, then surfaces failures through Signals and clustered failure modes. Hosted plans add retention, data limits, and support tiers for teams shipping production agents.

• From $30/mo
• Free plan
• API unknown

Best for: Engineering teams running AI agents who need trace visibility, automatic failure detection, and hosted retention without building observability in-house.

codenameone.com

Codename One compiles Java source into native mobile, desktop, web, watch, TV, and vehicle apps while shipping a custom UI toolkit with the app. The open-source framework is royalty-free, with paid cloud-build and production services for iOS builds, push, crash protection, and store submission.

• From $25/mo
• Free plan

Better Auth

Better Auth is a TypeScript authentication framework that lives in your application code with plugins for sessions, social login, organizations, passkeys, API keys, and enterprise SSO. The vendor also sells managed infrastructure with dashboards, audit logs, and security detections while the core framework stays open source.

• From $20/mo
• Free plan
• API available

Best for: Developers building Next.js, Nuxt, SvelteKit, Hono, and other TypeScript apps who want composable auth in code plus optional hosted infrastructure.

Chroma

Chroma provides open-source and cloud search infrastructure for AI with vector, full-text, regex, and metadata search backed by object storage. Chroma Cloud adds serverless scaling, SOC 2 controls, and usage-based billing for production workloads.

• From $250/mo
• Free plan
• API available

Best for: Developers building RAG or agent apps who want Apache 2.0 local development with optional managed cloud scaling.

platform.uno

Uno Platform is a cross-platform .NET UI framework for Web, mobile, desktop, and embedded targets using C# and XAML. Uno Platform Studio adds Hot Reload, Hot Design, Figma integration, and AI-powered MCP tooling while the core framework remains open source under Apache 2.0.

• From $39/mo
• Free plan
• API available

Best for: .NET teams shipping cross-platform apps who want visual designers, hot reload, and optional AI-assisted tooling.

PlayCanvas

PlayCanvas is an open-source WebGL and WebGPU engine and collaborative editor for games, 3D configurators, AR/VR experiences, and playable ads. Teams can work in the browser editor, use the npm engine package, or build with React and Web Components while hosting apps on PlayCanvas or self-hosting.

• From $15/mo
• Free plan
• API available

App Quality Copilot

Maestro is an open-source end-to-end UI testing stack for mobile and web, with free local CLI and Studio tools plus Maestro Cloud to run parallel tests on hosted devices.

• From $250/mo
• Free plan
• API available

Best for: Mobile and web teams who want YAML-readable UI tests and optional cloud parallel runs.

Mem0

Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.

• From $19/mo
• Free plan
• API available