Free AI Tools

免费 AI 工具导航

收集免费、免费试用和低成本上手的 AI 工具。这里更关注实际可用性、免费限制和适合场景,帮助你少走“假免费”的弯路。

29

免费工具

228

免费试用

9

API 免费工具

先定义任务

不要只搜“免费 AI”,先明确要写文章、生成图片、剪视频、写代码还是做办公自动化。

确认免费限制

重点看额度、导出水印、商用限制、排队速度和是否需要绑定付款方式。

再比较替代品

同一个任务至少试 2-3 个工具,比较输出质量、稳定性和后续编辑成本。

Verified Free Picks

优先查看的免费工具

优先展示标记为免费模式的工具;如果当前数据里免费工具较少,会自动补充免费试用工具。

genoffice

AI设计 工具

Free

Free, open-source AI office suite for macOS, Windows & Linux — Word (.docx), Excel (.xlsx), PowerPoint (.pptx), PDF and Markdown editing with built-in AI agents.

免费海外自动发现
3 浏览
31 点击
2026年8月12日

OpenChatCut

AI编程 工具

Free

Open-source, local-first conversational AI video editor with a professional multi-track timeline, Agent Skills, MCP integration, and Remotion rendering.

免费API海外自动发现
3 浏览
41 点击
2026年8月12日

paritok-4b-v1

AI编程 工具

Free

Non-destructive compression gateway for AI coding agents. Cuts token bills 25% on turn 1 to past 85% in long or saturated sessions, and fits ~3× more turns in the same context window. Powered by our open-source code-native 4B model. Drop-in for Claude Code, Cursor, Codex, OpenHands, and any BASE_URL

免费API海外自动发现
3 浏览
6 点击
2026年8月9日

caspian-sdk

AI编程 工具

Free

Agent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python & TypeScript.

免费API海外自动发现
3 浏览
7 点击
2026年8月7日

harnessrouter

AI编程 工具

Free

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an

免费API海外自动发现
2 浏览
2 点击
2026年8月29日

Open-source playground to red-team AI agents against public prompts

AI办公 工具

Free

Open-source playground to red-team AI agents against public prompts

免费海外自动发现
2 浏览
5 点击
2026年8月10日

pinvou-agent

AI办公 工具

Free

Open-source desktop AI agent for tools, files, knowledge, workflows, and real deliverables.

免费海外自动发现
2 浏览
3 点击
2026年8月7日

WorkBuddyGuide

AI编程 工具

Free

A practical, open-source guide to mastering WorkBuddy through real-world workflows.开源的 WorkBuddy 实战蓝皮书:教程、真实工作流、Skills、MCP、自动化与多智能体实践。

免费海外自动发现
2 浏览
3 点击
2026年7月30日

Lightweight, zero-dependency prompt that prevents AI agents from losing context

AI办公 工具

Free

Lightweight, zero-dependency prompt that prevents AI agents from losing context

免费海外自动发现
2 浏览
3 点击
2026年7月30日

FAQ

免费 AI 工具常见问题

完全免费的 AI 工具和免费试用有什么区别?

完全免费通常可以长期使用基础功能;免费试用或 Freemium 往往有额度、次数、水印、排队或高级模型限制。选型时要看长期使用成本。

免费 AI 工具适合商业项目吗?

要看工具的服务条款和生成内容授权。商业用途建议优先确认商用许可、隐私政策、数据留存和导出限制。

为什么有些免费工具仍然需要登录?

多数 AI 工具需要控制算力成本,所以会通过账号限制额度。登录本身不代表收费,但仍应避免上传敏感资料。

Discovery Links

免费工具相关入口

继续查看分类页、工具详情页和同类工具,帮助用户从免费入口进入完整 AI 工具目录。

工具入口

genofficeFree, open-source AI office suite for macOS, Windows & Linux — Word (.docx), Excel (.xlsx), PowerPoint (.pptx), PDF and Markdown editing with built-in AI agents.OpenChatCutOpen-source, local-first conversational AI video editor with a professional multi-track timeline, Agent Skills, MCP integration, and Remotion rendering.paritok-4b-v1Non-destructive compression gateway for AI coding agents. Cuts token bills 25% on turn 1 to past 85% in long or saturated sessions, and fits ~3× more turns in the same context window. Powered by our open-source code-native 4B model. Drop-in for Claude Code, Cursor, Codex, OpenHands, and any BASE_URLcaspian-sdkAgent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python & TypeScript.harnessrouterHarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), anOpen-source playground to red-team AI agents against public promptsOpen-source playground to red-team AI agents against public promptspinvou-agentOpen-source desktop AI agent for tools, files, knowledge, workflows, and real deliverables.WorkBuddyGuideA practical, open-source guide to mastering WorkBuddy through real-world workflows.开源的 WorkBuddy 实战蓝皮书:教程、真实工作流、Skills、MCP、自动化与多智能体实践。Lightweight, zero-dependency prompt that prevents AI agents from losing contextLightweight, zero-dependency prompt that prevents AI agents from losing contextMustuse.ai – Open-source automated ranking system run by agentsHi HN, MustUse.ai is an open-source framework for building ranking sites that Codex agents can fully research and maintain automatically. Friends often ask me which AI tools they should use for different tasks. I wanted a ranking I could trust and point them to, but many of the lists I found were fucindyConsider it done. The open-source AI agent that works out of the box · 想到,就能做到。开源、开箱即用的 AI Agent。I Built OpenClaw for StocksI'm the solo dev/builder of FN2, which uses Open Source AI models to deliver autonomous agents at scale, similar to Hermes and OpenClaw but tailored for stocks. Think of it like Claude Code with a zillion finance skills but it can run them on a schedule or based on price movements and then send you GeminiGoogle 旗下的多模态 AI 助手,适合检索、总结和办公协作。Microsoft Copilot微软生态里的 AI 助手,适合搜索、办公和工作总结。Fireflies.aiAI 会议记录与会后摘要工具,适合销售和协作团队。Otter.ai面向会议、访谈和课堂记录的 AI 转写助手。Grammarly英文写作与语气优化工具,适合邮件、报告和商务沟通。Elicit面向研究和学术场景的 AI 文献助手。GammaAI 演示文稿与内容排版工具。了解 Gamma 的 PPTX 导出、免费版品牌标识,以及交付前的字体和版式检查方法。Windsurf强调 Agent 式开发体验的 AI 编程工具。Replit云端开发平台,结合 AI 辅助编码和在线部署能力。Bolt.new通过对话生成网站、应用和原型的 AI Builder。ChatGPT通用型 AI 助手,适合问答、写作、分析和日常工作流。Leonardo AI面向素材、电商和游戏美术的 AI 图像生成平台。
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