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Collab is a free coursework workspace for students: courses and tasks by term, a calendar, a drag-and-drop Kanban board, and synchronized Pomodoro Focus Rooms with friends.
@bynom69 · X
为自由职业者免费跟踪支出和发票的工具，永久免费。
u/pramodravikant · Reddit
built a free expense/invoice tracker in vanilla js, no framework. sharing the stack + why i keep it free opened a small software business in india in 2024 and immediately hit the boring problem: tracking what came in and what went out. started in a spreadsheet, moved to notion, neither stuck once work got busy. so i vibe-coded a little web app just for me. no framework, plain html/css/js. kept improving it for a year because i used it daily, then opened signup when i figured it might help o
使用20多个免费在线工具，如发票生成器、二维码生成器、JSON格式化，无需注册。
u/Due_Wear9718 · Reddit
I built 20+ free online tools and a searchable database of 207 AI prompts - all free, no signup I was tired of getting garbage output from ChatGPT so I tested hundreds of prompts. I kept 207 that produce professional output across business, marketing, SEO, copywriting, coding, and more. I also built free tools: invoice generator, QR code maker, AI prompt generator, bio generator, hashtag generator, and 15+ more. All free, no signup: https://kyleqarbour-dot.github.io/freetools/ Prompt
用文本提示编辑照片和生成AI图像——免费、无需注册。
PicEditor — AI 图片编辑和生成工具，用自然语言换背景、移除物体、修改图片文字或生成新图，首次使用无需注册
ToolsLoop：自由职业者免费工具套件，包括发票、增值税、报价、费用追踪和商名生成。
@tools_loop · X
Free online PDF, image, QR and text tools. 100% private — every file is processed in your browser and never uploaded to a server.
@codechandra · X
Draw on satellite or street maps to measure land, lots, fields, and roofs. Get instant area, distance, and perimeter. Free, no sign-up.
@codenologia · X
快速移除图片背景，适合产品图、设计和内容创作。
paparaji · V2EX
产品图抠背景太慢？我做了个工具 周末折腾了一个小工具： https://bgly.net/ # **bgly 是什么** ---------- 主要是抠图用的，譬如说你上传一张产品图，可以给你扣得出透明背景色图，比较适合做 logo 设计、电商抠图用。 目前支持的功能： - 一键抠图 - 免登录使用 - API （需付费） 暂时只做了这么个 MVP ，其实还想加 **批量** 操作来着，但是周末时间有限就没做，想看看市场反馈。  # **效果展示** **使用前**：  **使用后**： 
在免费在线画布上绘画，使用画笔、蜡笔和马克笔，无需注册或下载。
@velozjuan21 · X
Everank is definitely amazing, I made this landing page for my app with Claude code in 30min
免费 Mac 和 Windows 应用，支持本地朗读 EPUB、PDF 和文本文件。
u/Right_Sandwich_7304 · Reddit
Need feedback on the text to speech book reader I've built the book reader app which kind of reads as good as elevenlabs or speechify but for free because its easy to build such an apps these days with AI 😄. This app uses native CPU to generate naration of book and it feels like you are listening to the audiobook recorded by professionals. Please try it on https://dp.openaloud.com/ the app is only available for windows and mac. I am working on launching android and ios apps so
免费 AI 聊天，支持多个模型（Grok 4 Fast、DeepSeek V3.1 等），无需登录。
Free AI for Everyone — 无需登录、完全免费的 AI（模型包括 Grok 4 Fast、DeepSeek V3.1 等）。可选择的模型以后可能会有所调整，但这个服务会长期提供，并且完全免费
Turn any idea into a film, campaign, or project. Schedules, crew, call sheets, gear and budgets in one free workspace. Start your first project today.
@connorathomas · X
New creative ops platform
