All

B

BenefitHub 혜택캘린더

정부·지자체 혜택을 알려주는 혜택 캘린더

W

Web SSH

가벼운 웹용 SSH 접속 프로그램

A

Allthatconverter

무료 온라인 도구가 정말 많아요! 이미지, 오디오, 동영상, PDF, TEXT, 타자연습 등 굉장합니다!! 더군다나 광고가 없어요.

L

Land-book

Free

Design gallery of well-crafted landing pages

C

Clockify

Freemium

Free team time tracking and timesheets with no user limit

I

IT Tools

Free

Open-source collection of dozens of developer utilities like hashing, encoding and conversion

C

Carrd

Freemium

Build a one-page responsive site in minutes

H

Habitica

Free

Gamify your habits and to-dos like an RPG

N

NocoDB

Free

Open-source that turns your existing DB into a smart spreadsheet

N

Ninite

Free

Bundles Windows apps into one installer for bulk, toolbar-free setup (a must for new PCs)

W

Whimsical

Freemium

Flowcharts, wireframes, mind maps, and docs in one

C

Codewars

Freemium

Practice and compete in coding skills through katas

G

goQR.me

Free

Generate and decode QR codes with no signup, plus API

A

archive.today

Free

Save a permanent snapshot of a web page at a specific moment

T

TinyURL

Free

Shorten and customize long URLs with no signup

N

Numbeo

Free

Compare cost of living, housing, prices and safety across world cities

C

CoinGecko

Freemium

Prices, exchanges and on-chain data for 10,000+ cryptocurrencies

G

Godly

Free

Inspiration curated from only top-tier web design

Q

QRCode Monkey

Free

Generate high-resolution custom QR codes with your logo and colors

F

Fast.com

Free

Netflix's ultra-simple internet speed test

O

Observable

Freemium

D3-based data visualization notebooks and dashboards

A

Anki

Free

Long-term memory learning with spaced-repetition (SRS) flashcards

T

The Odin Project

Free

Free open-source full-stack web development curriculum

M

MIT OpenCourseWare

Free

Free lecture notes, exams and videos from 2,500+ MIT courses

D

DevDocs

Free

Hundreds of API docs in one place, offline and fast to search

R

Reqres

Free

Hosted fake REST API that returns real responses

H

Happy Hues

Free

Palettes shown applied to real UI so you know where to use each color

F

FRED

Free

800,000+ economic time series from the St. Louis Fed

I

Instant Domain Search

Free

Shows domain availability and pricing as you type

H

Have I Been Pwned

Free

Check whether your email or password was part of a data breach

W

WhatIsMyIPAddress

Free

Check your public IP, location and blacklist status

D

DNSChecker

Free

Instantly check DNS propagation status from nodes worldwide

I

Is It Down Right Now

Free

Check whether a site is down for everyone or just for you

D

DownDetector

Free

Check service outages in real time via user reports and graphs

P

Project Gutenberg

Free

Archive of 70,000+ free out-of-copyright e-books

F

freeCodeCamp

Free

Free coding curriculum, projects and certifications (nonprofit)

S

Send Anywhere

Freemium

Direct file transfer between devices with a 6-digit key

R

Raindrop.io

Freemium

Organize bookmarks, articles, and videos with pretty thumbnails

G

Grist

Freemium

Relational spreadsheet with Python formulas (open-source)

B

Baserow

Freemium

Open-source no-code database (Airtable alternative)

C

CryptPad

Free

E2E-encrypted real-time collaboration suite for docs, sheets, and slides

A

Anytype

Free

Local-first, encrypted all-in-one knowledge space (open-source)

A

AFFiNE

Free

Open-source all-in-one merging docs, whiteboard, and databases on one canvas

O

Obsidian

Freemium

Knowledge management on local Markdown files with bidirectional links

M

Metadata2Go

Free

Check EXIF and metadata of photos, documents and video without signup

1

123apps

Free

Bundle of lightweight web apps for handling audio, video and PDF

H

httpbin

Free

Request-testing server for trying out HTTP methods, headers and status codes

R

RapidTables

Free

Vast collection of online reference tables and calculators for number bases, units, color and math

C

Carbon

Free

Turn source code into beautiful images to share

K

Khroma

Free

Learns your color picks to generate endless matching combinations