Featured
01
PageLens AI — AI-Powered Website Reviews from $1
UnclaimedGet a comprehensive AI-powered website audit covering errors, UX, accessibility, SEO, performance, design, content, secu
pagelensai.com
reviewNext.jsVercel
13040.3%A+2026-04-17
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Developer Tools apps and tools
Find developer tools, APIs, code assistants, testing products, and infrastructure launches.
Developer ToolsAPITestingMonitoringAutomation
39 public launches
Ranked by feature status, community signal, and product interest.
02
Experi
63Stop chasing late payments. Send professional invoices and automated reminders
experi.co.uk
invoiceCursorNext.js
12230.9%A+2026-03-18
03
P
Placemarks
60Real places. Real people. No algorithms.
placemarks.co.uk
travelCursorNext.js
1861.6%A2026-03-18
04
Stokl: Food Reserve Tracker App - App Store
#1 LaunchDownload Stokl: Food Reserve Tracker by Pavel Chasovnikov on the App Store. See screenshots, ratings and reviews, user t
apps.apple.com
pantryfoodtrackerfoodstorage
1782 weeks1000B2026-06-10
05
DS
Day Skipper Theory
48Master the theory. Take the helm.
dayskippertheory.co.uk
sailingryadayskipperCursorNext.js
170A2026-03-18
06
Vibecodr | Play, remix, and publish runnable web apps
33Vibecodr is the creative coding community where web apps run as content. Play vibes instantly, remix what others build,
vibecodr.space
1690.6%B2026-04-04
07
Quiet Sleep
Private evening ritual with thought dumps, breathing, and sleep sounds
play.google.com
androidsleepjournalingReactFirebase
161A few months$0 bootstrappedB2026-05-10
08
File Converter Free
Free no-signup file conversion and PDF/image/developer utility toolkit.
file-converter-free.com
file conversionpdf toolsimage tools
1432.8%C2026-05-28
09
InstaIdea
Free browser games, developer tools, and utilities
instaidea.org
browser gamesdeveloper toolsutilities
1360.7%F2026-05-13
10
Compass Revision Network
Independent low-cost revision tools for RYA theory, navigation, and marine radio, including Day Skipper, Coastal Skipper
compassrevision.com
CursorChatGPT
992.0%A+2026-07-14
11
OneBucksVPN
Russian-language VPN access with Telegram setup and a 24-hour trial
onebucksvpn.com
vpntelegramamnezia
812026-07-21
12
CalculatorQueen Tip Calculator
Calculate tips, totals, and per-person bill splits with a selectable tip base.
calculatorqueen.com
tip calculatorbill splitpersonal financeNext.jsReact
632026-08-15
13
CalculatorQueen Milliwatt Calculator
Convert milliwatts and watts both ways with SI formulas, a scale chart, and CSV.
calculatorqueen.com
milliwatt calculatormw to welectrical powerNext.jsReact
562026-08-15
14
uChecker
Bulk email checking that keeps the full SMTP reply
uchecker.net
emailsaasdeveloper tools
531.9%2026-08-16
15
CalculatorQueen Celsius to Fahrenheit Calculator
Convert Celsius and Fahrenheit both ways with formulas, reference points, and a table.
calculatorqueen.com
celsius to fahrenheittemperature converterunit conversionNext.jsReact
521.9%2026-08-15
16
CalculatorQueen Roth IRA Calculator
Project Roth IRA growth and compare it with a simplified annually taxed account.
calculatorqueen.com
roth ira calculatorretirement planninginvestment growthNext.jsReact
492026-08-15
17
CalculatorQueen Centimeters to Millimeters Calculator
Convert centimeters and millimeters both ways using the exact metric factor.
calculatorqueen.com
cm to mmmetric converterlength conversionNext.jsReact
48B2026-08-15
18
PersonaHaven
Free tools for personality, relationships, career fit and practical self-reflection
personahaven.com
personality testsself reflectioncareer fitReactVercel
472.1%A2026-08-17
19
BrawlerStats — Brawl Stars Player Stats & Rankings
Search public Brawl Stars player stats, country rankings, brawler trophies, clubs, and recorded trophy races.
brawlerstats.com
LovableReact
43F2026-08-10
20
CN
YouChina
China entry-readiness checks for international travelers
you-china.com
china traveltravel planningesimNext.jsReact
412026-08-06
21
Phone Operator - Auto Clicker
No-root Android auto clicker & gesture automation. Free unlimited taps.
play.google.com
auto-clickerautomationproductivity
39$02026-08-06
22
Kafma
Kafka GUI client and desktop IDE for faster debugging
kafma.app
apache kafkakafka guidesktop appOther
272026-08-21
23
∞
CalculatorQueen Infinity Trick Lab
Test large powers and division-by-zero inputs while separating overflow, error, and infinity.
calculatorqueen.com
infinitycalculator behaviordivision by zeroNext.jsReact
27B2026-08-27
24
🧬
CalculatorQueen AP Biology Score Calculator
Combine AP Biology practice component percentages with published weights into a 0–100 composite.
calculatorqueen.com
ap biologypractice compositemcq and frqNext.jsReact
26B2026-08-27
What kinds of developer tools are listed?
The directory includes APIs, testing tools, monitoring products, code assistants, dev utilities, and infrastructure products from indie makers.
Do developer tools need traction before listing?
No. Early launches are welcome as long as the product page has enough detail for visitors to understand the tool.