Efficiency tools
189 free Efficiency tools tools, ranked by recommendation. How to use each free and whether signup is needed is on its detail page; always follow the official site.
Free only · 189 tools
OverseerOS
AI-driven, analyzes top YouTube channels, clones strategies, generates content, and helps channels grow
Qrmkr.io
Create free and never-expiring QR codes. After upgrading, you can edit dynamic codes and view scan analytics.
SleepCalculator
Based on the 90-minute sleep cycle, quickly find practical bedtime and wake-up times without registration.
WUPHF by Nex.ai
WUPHF is a collaborative AI office system where employees share a knowledge base and continuously follow up on tasks.
Software Development Cost Calculator
A free AI-driven software development cost calculator that provides project estimates based on functions, roles, and technology stacks within 60 seconds.
GrowsKey
Provide growth and operation support for open - source teams, including functions such as startup scanning and community discovery.
BukiTools
Free online AI tools that can generate emails, rewrite paragraphs, etc., without registration.
Tabbit
An AI-driven browser that allows you to chat with web pages, automate tasks, and easily manage tabs.
WorkBuddy
An AI Agent office tool launched by Tencent Cloud Code Assistant, which can independently plan and deliver multi-modal task results.
PDF.ai
A PDF file processing tool
RSSFlow Reader
A modern RSS reader with AI summarization and intelligent content flow.
SwingVision
A tennis and pickleball AI application that offers functions such as scoring, statistics, and line calls to help you improve your playing skills.
AIPex
Free and open-source, no migration required. Add AI superpowers to your existing Chrome browser.
Raycast Al
Ultra-efficient tool
BoltAI.dev
Same new is an AI-driven collaboration tool that helps teams collaborate in real-time, manage projects, and create content.