diff --git a/src/apps/leandvb.cc b/src/apps/leandvb.cc
index 7093180..20d468a 100644
--- a/src/apps/leandvb.cc
+++ b/src/apps/leandvb.cc
@@ -1019,6 +1019,7 @@ void usage(const char *name, FILE *f, int c, const char *info=NULL) {
      "  -h                   Display this help message and exit\n"
      "  -v                   Output debugging info at startup and exit\n"
      "  -d                   Output debugging info during operation\n"
+     "  --version            Display version and exit\n"
      "  --fd-pp FDNUM        Dump preprocessed IQ data to file descriptor\n"
      "  --fd-info FDNUM      Output demodulator status to file descriptor\n"
      "  --fd-const FDNUM     Output constellation and symbols to file descr\n"
@@ -1041,6 +1042,9 @@ void usage(const char *name, FILE *f, int c, const char *info=NULL) {
   exit(c);
 }
 
+#ifndef VERSION
+#define VERSION "undefined"
+#endif
 
 int main(int argc, const char *argv[]) {
   config cfg;
@@ -1054,6 +1058,10 @@ int main(int argc, const char *argv[]) {
       cfg.debug2 = cfg.debug;
       cfg.debug = true;
     }
+    else if ( ! strcmp(argv[i], "--version") ) {
+      printf("%s\n", VERSION);
+      return 0;
+    }
     else if ( ! strcmp(argv[i], "-f") && i+1<argc )
       cfg.Fs = atof(argv[++i]);
     else if ( ! strcmp(argv[i], "--sr") && i+1<argc )
diff --git a/src/apps/leandvbtx.cc b/src/apps/leandvbtx.cc
index 4b7b49a..2e99765 100644
--- a/src/apps/leandvbtx.cc
+++ b/src/apps/leandvbtx.cc
@@ -194,11 +194,16 @@ void usage(const char *name, FILE *f, int c, const char *info=NULL) {
      "  --s16                    Output 16-bit ints\n"
      "  -v                       Output debugging info at startup and exit\n"
      "  -d                       Output debugging info during operation\n"
+     "  --version                Display version and exit\n"
      );
   if ( info ) fprintf(f, "** Error while processing '%s'\n", info);
   exit(c);
 }
 
+#ifndef VERSION
+#define VERSION "undefined"
+#endif
+
 int main(int argc, char *argv[]) {
   config cfg;
 
@@ -209,6 +214,10 @@ int main(int argc, char *argv[]) {
       cfg.verbose = true;
     else if ( ! strcmp(argv[i], "-d") )
       cfg.debug = true;
+    else if ( ! strcmp(argv[i], "--version") ) {
+      printf("%s\n", VERSION);
+      exit(0);
+    }
     else if ( ! strcmp(argv[i], "--cr") && i+1<argc ) {
       ++i;
       // DVB-S
diff --git a/src/apps/leantsgen.cc b/src/apps/leantsgen.cc
index 8b0acf4..84060ab 100644
--- a/src/apps/leantsgen.cc
+++ b/src/apps/leantsgen.cc
@@ -3,18 +3,35 @@
 #include <unistd.h>
 #include <string.h>
 
+#ifndef VERSION
+#define VERSION "undefined"
+#endif
+
+void usage(const char *name, FILE *f, int c, const char *info=NULL) {
+      fprintf(stderr, "Usage: %s [options]\n", name);
+      fprintf(stderr, "Output numbered MPEG TS packets on stdout.\n");
+      fprintf
+	(f, "\nOptions:\n"
+	 "  --version         Display version and exit\n"
+	 "  -c INT            Number of packets to output\n"
+	 );
+      if ( info ) fprintf(f, "Error while processing '%s'\n", info);
+      exit(c);
+}
+
 int main(int argc, char *argv[]) {
   const int SIZE = 188;
   int count = -1;
 
   for ( int i=1; i<argc; ++i ) {
-    if ( !strcmp(argv[i],"-c") && i+1<argc )
+    if      ( ! strcmp(argv[i],"-c") && i+1<argc )
       count = atoi(argv[++i]);
-    else {
-      fprintf(stderr, "Usage: %s [-c PACKETCOUNT]\n", argv[0]);
-      fprintf(stderr, "Output numbered MPEG TS packets on stdout.\n");
-      exit(1);
+    else if ( ! strcmp(argv[i], "--version") ) {
+      printf("%s\n", VERSION);
+      exit(0);
     }
+    else
+      usage(argv[0], stderr, 1, argv[i]);
   }
   
   for ( unsigned long t=0; count<0 || count--; ++t ) {