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Welcome to B4X forum!
B4X is a set of simple and powerful cross platform RAD tools:
B4A
(free) - Android development
B4J
(free) - Desktop and Server development
B4i
- iOS development
B4R
(free) - Arduino, ESP8266 and ESP32 development
All developers, with any skill level, are welcome to
join the B4X community
.
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Article
B4R Library
rConvert
rwblinn
Aug 16, 2025
B4R Libraries
Replies
7
Views
2K
Apr 14, 2026
rwblinn
Solved
iOS Question
B4i Local Builder error
ilan
Apr 10, 2026
iOS Questions
Replies
11
Views
701
Apr 14, 2026
ilan
Question
Android Question
Dueling AI - pitting Copilot against Claude
JackKirk
Apr 14, 2026
Android Questions
Replies
0
Views
230
Apr 14, 2026
JackKirk
B
Question
B4J Question
Help with jWebGl
buckgeneral
Apr 13, 2026
B4J Questions
Replies
1
Views
222
Apr 14, 2026
Erel
Article
Android Tutorial
[B4A] [B4I] App Testing - Lambdatest Simulation/Emulation - For Android and iOS
aminoacid
Apr 13, 2026
Tutorials & Examples
Replies
0
Views
301
Apr 13, 2026
aminoacid
Finally: Chess in only one dimension
Sandman
Apr 10, 2026
Chit Chat
Replies
2
Views
337
Apr 13, 2026
rabbitBUSH
Question
B4J Question
buffer.Length vs Blob
T201016
Apr 12, 2026
B4J Questions
Replies
4
Views
416
Apr 13, 2026
T201016
Article
B4R Library
rESP32Servo
rwblinn
Aug 21, 2025
B4R Libraries
Replies
3
Views
1K
Apr 13, 2026
rwblinn
Italian
gestione HelpDesk ticket
Xfood
Apr 12, 2026
Italian Forum
2
Replies
31
Views
1K
Apr 13, 2026
Gianni M
I
Question
Android Question
run b4a emulator in vmware
invocker
Apr 13, 2026
Android Questions
Replies
2
Views
278
Apr 13, 2026
Erel
Question
iOS Question
RequestMtu
Filippo
Apr 12, 2026
iOS Questions
Replies
1
Views
233
Apr 13, 2026
Erel
Question
B4J Question
Generate OpenAPI Documentation for Server
xulihang
Apr 13, 2026
B4J Questions
Replies
1
Views
225
Apr 13, 2026
aeric
Article
Share My Creation
simulator using the DFPlayer Mini Mp3 Player
Cesar_Morisco
Nov 15, 2025
B4R Share Your Creations
Replies
1
Views
848
Apr 12, 2026
Beja
Spanish
Duda HorizontalScroll en Panel??
TheFalcon
Apr 4, 2026
Spanish Forum
Replies
3
Views
367
Today at 5:05 PM
jesustarre
Witam Rodaków
kisoft
Dec 30, 2019
Polish Forum
2
3
Replies
57
Views
17K
Apr 12, 2026
taok
T
Italian
Buona Pasqua
Sagenut
Apr 5, 2026
Italian Forum
Replies
8
Views
451
Apr 12, 2026
Elric
Article
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
Serge Nova
Apr 10, 2026
Share Your Creations
Replies
4
Views
513
Apr 12, 2026
Serge Nova
Solved
Android Question
Socket is null inside Connected event (Successful = True) — what can cause this?
knutf
Apr 11, 2026
Android Questions
Replies
6
Views
514
Apr 12, 2026
knutf
C
Article
B4R Library
AString for B4R : arduino String for B4R
candide
Apr 7, 2026
B4R Libraries
Replies
7
Views
576
Apr 12, 2026
Erel
Article
B4A Library
MPAndroidCharts - Various type of graphs / charts (Latest library V1.22 in post #1)
Johan Schoeman
Sep 5, 2015
Additional libraries, classes and official updates
19
20
21
Replies
410
Views
230K
Apr 12, 2026
RenewMe
R
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