diff --git a/plugins/3dprint b/plugins/3dprint
new file mode 100644
index 0000000..bf45a7d
--- /dev/null
+++ b/plugins/3dprint
@@ -0,0 +1,26 @@
+#!perl
+
+HELP "3dprint <gram>" => "3D-print filament afrekenen";
+
+use Scalar::Util qw(looks_like_number);
+
+sub command :Tab(3dprint) ($self, $cart, $command, @) {
+    return NEXT if $command ne '3dprint';
+
+    return "Gewicht in gram, inclusief supports en purges", \&gram;
+}
+
+sub gram($self, $cart, $input, @) {
+    looks_like_number($input) and $input == int($input) or return REJECT, "Invalid number!";
+    my $gram = int($input);
+    return REJECT, "$input: Invalid amount." if $gram <= 0;
+
+    my $beneficiary = "3dprinter";
+    my $amount = 0.10 + $gram * 0.03;
+
+    $cart
+        ->add(-$amount, "Given to $beneficiary ($gram g)")
+        ->add_contra($beneficiary, +$amount, "Received from \$you (${gram} g)");
+
+    return ACCEPT;
+}
diff --git a/plugins/bitlair_bigmoney b/plugins/bitlair_bigmoney
new file mode 100644
index 0000000..6e4991e
--- /dev/null
+++ b/plugins/bitlair_bigmoney
@@ -0,0 +1,17 @@
+#!perl
+
+sub command :Tab(bigmoney) {
+    my ($self, $cart, $command) = @_;
+
+    return NEXT if $command ne "bigmoney";
+
+    my @list = sort {
+        (split " ", $b)[1] <=> (split " ", $a)[1]
+    } grep {
+        not RevBank::Users::is_hidden($_)
+    } slurp("revbank.accounts");
+
+    print join "", @list[0..9];
+
+    return ACCEPT;
+}
diff --git a/plugins/bitlair_git b/plugins/bitlair_git
new file mode 100644
index 0000000..afe7144
--- /dev/null
+++ b/plugins/bitlair_git
@@ -0,0 +1,19 @@
+#!perl
+
+use Cwd ();
+
+sub command { NEXT }
+
+sub hook_checkout_done {
+    my ($class, $cart, $username, $transaction_id) = @_;
+
+    my @cart_printed = map { "\n-> $_" } map { $_->as_printable } $cart->entries;
+
+    my $fn = "/tmp/revbank$$.commit";
+    open my $fh, ">", $fn or warn $!;
+    print $fh "$username ($transaction_id)\n@cart_printed";
+    close $fh or warn $!;
+
+    my $output = `(cp revbank.accounts revbank.market revbank.products ~/data.git/ && cd ~/data.git/ && git commit -a -F $fn) 2>&1`;
+    warn "Meh, gitfaal: $output" if $?;
+}
diff --git a/plugins/bitlair_mqtt b/plugins/bitlair_mqtt
new file mode 100644
index 0000000..9ffd004
--- /dev/null
+++ b/plugins/bitlair_mqtt
@@ -0,0 +1,19 @@
+#!perl
+
+use Cwd ();
+use Net::MQTT::Simple;
+
+my $mqtt = Net::MQTT::Simple->new("mqtt.bitlair.nl");
+
+sub command { NEXT }
+
+sub hook_checkout {
+    my ($class, $cart, $user, $transaction_id) = @_;
+
+    my @entries = $cart->entries('product_id') or return;
+
+    for my $entry (@entries) {
+        $mqtt->publish("bitlair/pos/product" => $entry->{description})
+            for 1..$entry->quantity;
+    }
+}
diff --git a/plugins/bitlair_nomunnie b/plugins/bitlair_nomunnie
new file mode 100644
index 0000000..c5e97e4
--- /dev/null
+++ b/plugins/bitlair_nomunnie
@@ -0,0 +1,15 @@
+#!perl
+
+use IO::Socket::IP;
+use Net::MQTT::Simple "mqtt.bitlair.nl";
+
+sub command { NEXT }
+
+sub hook_user_balance {
+    my ($class, $user, $old, $delta, $new, $transaction_id) = @_;
+
+    return if $new >= -13.37;
+    return if RevBank::Users::is_hidden($user);
+
+    publish "bitlair/bank/shame" => "NO MUNNIE?";
+}
diff --git a/plugins/revspace_cokeurl b/plugins/revspace_cokeurl
new file mode 100644
index 0000000..dc63b23
--- /dev/null
+++ b/plugins/revspace_cokeurl
@@ -0,0 +1,8 @@
+# Accept the odd QR-codes on Coke (and Fanta, etc.) cans, as they also contain the EAN.
+
+# For this plugin to be useful, it needs to be BEFORE "users" in "revbank.plugins".
+
+sub command {
+    $_[2] =~ s@^https?://(coke|fanta)url.com/q/srn@@gi;  # input is actually a mutable string
+    return NEXT;
+}
diff --git a/revbank.plugins b/revbank.plugins
index ee632b0..d4b7919 100644
--- a/revbank.plugins
+++ b/revbank.plugins
@@ -9,31 +9,32 @@ beep_terminal
 #cash_drawer
 idle
 #json
-nomoney
+#nomoney
 repeat
 deduplicate  # wants to be after 'repeat'
 restart
 sighup
 sigint
-#stock
+stock
 #vat         # configure before using
 #warnings
 window_title
+bitlair_git
 
 # Then, specific commands:
 
 adduser_note
 adduser
-#cash             # cash tracking also requires deposit_methods to make sense
+cash             # cash tracking also requires deposit_methods to make sense
 deposit
-#deposit_methods  # Extra options for 'deposit'. Edit/configure first!
-#deposit_iban_qr  # QR code display, edit/configure first! (needs qrencode(1))
+deposit_methods  # Extra options for 'deposit'. Edit/configure first!
+deposit_iban_qr  # QR code display, edit/configure first! (needs qrencode(1))
 dinnerbonus
 edit
 give
 grandtotal
 help
-#skim             # cash tracking also requires deposit_methods to make sense
+skim             # cash tracking also requires deposit_methods to make sense
 split
 take
 tail
@@ -44,6 +45,7 @@ withdraw
 
 # Then, plugins that apply heuristics
 
+revspace_cokeurl
 #statiegeld         # wants to be before 'products'; matches product IDs
 #statiegeld_tokens
 products           # matches product IDs (barcodes)
@@ -53,3 +55,9 @@ users              # matches usernames
 regex_gtin         # matches GTINs in URLs and element strings
 url                # matches other URLs
 #deprecated_raw     # matches amounts
+
+bitlair_bigmoney
+bitlair_mqtt
+bitlair_nomunnie
+revspace_saldo
+3dprint