10 best OneCompiler alternatives

EasyCode

EasyCode is an AI coding environment that understands your codebase, offering in-IDE chat, autocomplete across many languages, and human-assisted plans for founders building apps. It targets faster onboarding, legacy migration, and higher test coverage with contextual answers inside the editor.

• From $200/mo
• Free plan
• API unknown

Best for: Developers and non-technical founders who want ChatGPT-style codebase chat plus optional human unblock credits.

ComfyFlow

ComfyFlow lets creators turn ComfyUI workflows into shareable web apps with credit-based generation and optional private hosting on paid tiers. Users log in, pick Free, Basic, or Pro subscriptions, download workflow apps, and spend credits when running generations or API access on higher plans.

Code Snippets AI

It supports local and cloud LLMs, codebase indexing on paid tiers, and a free Basic plan with your own API keys.

• From $7.50/mo
• Free plan
• API available

Best for: Developers and small teams who want an AI-aware snippet library with optional local LLM support.

Makedraft

Makedraft is an AI coding agent for React and Next.js that ships every chat as a branch in your own GitHub repository from the first message. Plans trade monthly credits for agent work, branding removal, and optional bring-your-own-model access on higher tiers.

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

Best for: Developers and founders who want AI-assisted React or Next.js builds that land directly in their own repos.

BuildAI.Space

BuildAI lets users describe apps in natural language and generates working web apps with hosting, digital employee agents, and payment integrations on paid tiers. Monthly plans scale builder messages, AI credits, and published app limits from Rocket through Galaxy.

• From $25/mo
• Free tier unknown
• API unknown

Non-developers and founders who want to ship custom online tools and lightweight SaaS apps through conversational building.

exchangerate.host

ExchangeRate.host provides a free forex and currency conversion API with optional paid subscriptions for higher request volumes.

• From $14.99/mo
• Free plan
• API available

Best for: Developers building multi-currency apps who need scalable rate limits beyond the free entry tier.

BigDevSoon

BigDevSoon teaches frontend development by building 21+ real-world projects with AI code generation, instant feedback, 100 daily challenges, and 40+ practice problems. Paid tiers add BigTokens for prototypes, CV tools, and AI project roasting with optional lifetime access.

• From $5.33/mo
• Free tier unknown
• API unknown

Best for: Developers learning frontend skills through project-based practice and AI-assisted coding feedback.

cmux

cmux is a free, open-source macOS terminal built on Ghostty for multitasking with AI coding agents. It adds vertical tabs, split panes, notification rings, an in-app browser, and optional cloud VMs on paid plans for remote agent sandboxes.

• From $50/mo
• Free plan
• API available

Mac developers running Claude Code, Codex, Gemini CLI, or other terminal agents who want organized workspaces and optional cloud VMs.

geoapify.com

Geoapify is a location platform offering maps, geocoding, routing, isochrones, and places APIs backed by a credit-based billing model. Developers start on a free daily quota and scale through tiered API plans with published rate limits and support levels.

• From $59/mo
• Free plan

Bolt.new

Bolt.new is a browser-based AI app builder where users describe a web or mobile app in chat and get a running project with hosting, databases and custom domains on paid tiers.

• From $25/mo
• Free plan
• API unknown

Best for: Builders who want to prototype full-stack apps from prompts without local setup.