diff --git a/deskutils/mytetra/Makefile b/deskutils/mytetra/Makefile
index a1fd2c746a6e..9aea219ab759 100644
--- a/deskutils/mytetra/Makefile
+++ b/deskutils/mytetra/Makefile
@@ -1,9 +1,7 @@
 PORTNAME=	mytetra
-DISTVERSION=	1_43_27
+PORTVERSION=	1.44.183
+DISTVERSIONPREFIX=	v.
 CATEGORIES=	deskutils
-MASTER_SITES=	https://webhamster.ru/db/data/articles/105/ \
-		http://vault.101011010.xyz/distfiles/
-DISTNAME=	${PORTNAME}_${DISTVERSION}_src
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Smart manager for information collecting
@@ -11,14 +9,25 @@ WWW=		https://webhamster.ru/site/page/index/articles/projectcode/138
 
 LICENSE=	GPLv3
 
-USES=		gmake qmake qt:5 zip
+USES=		gmake qmake qt:5
 USE_QT=		buildtools:build core gui network printsupport svg widgets xml
+USE_GITHUB=	yes
+GH_ACCOUNT=	xintrea
+GH_PROJECT=	${PORTNAME}_dev
 
 PLIST_FILES=	bin/mytetra share/applications/mytetra.desktop \
 		share/icons/hicolor/48x48/apps/mytetra.png \
 		share/icons/hicolor/scalable/apps/mytetra.svg
 
 post-extract:
-	${CHMOD} -x ${WRKSRC}/desktop/any/mytetra.desktop
+	@${CHMOD} -x ${WRKSRC}/app/desktop/any/mytetra.desktop
+
+post-patch:
+# Delete homegrown strcasestr() implementation (breaks the build):
+# https://github.com/xintrea/mytetra_dev/issues/164
+	@${REINPLACE_CMD} \
+		-e '/for strcasestr() in string\.h/,+4d' \
+		-e '/^int mystrncmpi/,+28d' \
+			${WRKSRC}/thirdParty/mimetex/mimetex.c
 
 .include <bsd.port.mk>
diff --git a/deskutils/mytetra/distinfo b/deskutils/mytetra/distinfo
index 3279449e5c03..8136962e00f1 100644
--- a/deskutils/mytetra/distinfo
+++ b/deskutils/mytetra/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1530899149
-SHA256 (mytetra_1_43_27_src.zip) = f649d1932c7a40ba2e5e7258fac672c7a90cb46273cfb50b21d8c7f300c1ac6d
-SIZE (mytetra_1_43_27_src.zip) = 14309620
+TIMESTAMP = 1739887377
+SHA256 (xintrea-mytetra_dev-v.1.44.183_GH0.tar.gz) = 5141d593c433f122ff3e53769aa647b7ebaf02a83ef28986773c2f023befe075
+SIZE (xintrea-mytetra_dev-v.1.44.183_GH0.tar.gz) = 3771637
diff --git a/deskutils/mytetra/files/patch-mytetra.pro b/deskutils/mytetra/files/patch-app_app.pro
similarity index 80%
rename from deskutils/mytetra/files/patch-mytetra.pro
rename to deskutils/mytetra/files/patch-app_app.pro
index 7de75a0ab899..67193ac384a0 100644
--- a/deskutils/mytetra/files/patch-mytetra.pro
+++ b/deskutils/mytetra/files/patch-app_app.pro
@@ -1,5 +1,5 @@
---- mytetra.pro.orig	2018-06-12 15:49:29 UTC
-+++ mytetra.pro
+--- app/app.pro.orig	2025-02-18 14:02:57 UTC
++++ app/app.pro
 @@ -6,7 +6,7 @@ TARGET_OS=ANY_OS
  
  # Build type
@@ -8,7 +8,7 @@
 +BUILD_TYPE=$$find(CONFIG, debug|release)
  
  # Enable console for Windows
- # 0 - disable, 1 - enable
+ # 0 - disable, 1 - enable (this is for compile mytetra.exe and rename to mytetra_debug.exe)
 @@ -54,13 +54,7 @@ QT = gui \
  CONFIG += qt \
      warn_on
@@ -24,7 +24,7 @@
  
  # If Windows console enable
  equals(WINDOWS_CONSOLE_ENABLE, 1) {
-@@ -91,7 +85,7 @@ INCLUDEPATH += $${_PRO_FILE_PWD_}/src
+@@ -92,7 +86,7 @@ INCLUDEPATH += $${_PRO_FILE_PWD_}/src
  contains(TARGET_OS, ANY_OS) {
    message(Building the any OS version...)
    SYSTEM_PROGRAM_NAME=mytetra
@@ -33,7 +33,7 @@
  }
  
  contains(TARGET_OS, MEEGO_OS){
-@@ -115,7 +109,7 @@ message(Set installation directory for binary file to 
+@@ -116,7 +110,7 @@ message(Set installation directory for binary file to 
  target.path=$${BINARY_INSTALL_PATH}
  INSTALLS+=target
  
@@ -42,7 +42,7 @@
  contains(TARGET_OS, ANY_OS) {
    desktop_file.files=desktop/any/mytetra.desktop
  }
-@@ -127,11 +121,11 @@ contains(TARGET_OS, ANDROID_OS) {
+@@ -128,11 +122,11 @@ contains(TARGET_OS, ANDROID_OS) {
  }
  INSTALLS+=desktop_file
  
diff --git a/deskutils/mytetra/files/patch-src_main.cpp b/deskutils/mytetra/files/patch-src_main.cpp
deleted file mode 100644
index 72499d23cd9c..000000000000
--- a/deskutils/mytetra/files/patch-src_main.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
---- src/main.cpp.orig	2018-06-17 14:02:54 UTC
-+++ src/main.cpp
-@@ -1,4 +1,4 @@
--#include <sys/timeb.h>
-+#include <sys/time.h>
- 
- #include <QTranslator>
- #include <QToolButton>
-@@ -572,9 +572,9 @@ int getMilliCount(void)
-   // Something like GetTickCount but portable
-   // It rolls over every ~ 12.1 days (0x100000/24/60/60)
-   // Use getMilliSpan to correct for rollover
--  timeb tb;
--  ftime( &tb );
--  int nCount = tb.millitm + (tb.time & 0xfffff) * 1000;
-+  timeval tv;
-+  gettimeofday(&tv, NULL);
-+  int nCount = tv.tv_usec / 1000 + (tv.tv_sec & 0xfffff) * 1000;
-   return nCount;
- }
-