So, this is list:
zlatic@localhost:~> LANG=C zypper lr -d
# | Alias | Name | Enabled | GPG Check | Refresh | Keep | Priority | Type | URI | Service
---+-----------------------------+---------------------------+---------+-----------+---------+------+----------+--------+------------------------------------------------------------------------------+---------
1 | OSS2 | OSS2 | No | ---- | ---- | - | 99 | rpm-md | https://download.opensuse.org/distribution/leap/15.6/repo/oss/ |
2 | google-chrome | google-chrome | Yes | (r ) Yes | Yes | - | 99 | rpm-md | https://dl.google.com/linux/chrome/rpm/stable/x86_64 |
3 | openSUSE-Leap-15.6-1 | openSUSE-Leap-15.6-1 | No | ---- | ---- | - | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.6/repo/oss/ |
4 | openSUSE:repo-non-oss | repo-non-oss (16.0) | Yes | ( p) Yes | Yes | - | 99 | N/A | http://cdn.opensuse.org/distribution/leap/16.0/repo/non-oss/x86_64 | openSUSE
5 | openSUSE:repo-non-oss-debug | repo-non-oss-debug (16.0) | No | ---- | ---- | - | 99 | N/A | http://cdn.opensuse.org/debug/distribution/leap/16.0/repo/non-oss/x86_64 | openSUSE
6 | openSUSE:repo-openh264 | repo-openh264 (16.0) | Yes | (r ) Yes | Yes | - | 99 | rpm-md | http://codecs.opensuse.org/openh264/openSUSE_Leap_16 | openSUSE
7 | openSUSE:repo-oss | repo-oss (16.0) | Yes | (r ) Yes | Yes | - | 99 | rpm-md | http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64 | openSUSE
8 | openSUSE:repo-oss-debug | repo-oss-debug (16.0) | No | ---- | ---- | - | 99 | N/A | http://cdn.opensuse.org/debug/distribution/leap/16.0/repo/oss/x86_64 | openSUSE
9 | openSUSE:repo-oss-source | repo-oss-source (16.0) | No | ---- | ---- | - | 99 | N/A | http://cdn.opensuse.org/source/distribution/leap/16.0/repo/oss | openSUSE
10 | packman | packman | No | ---- | ---- | - | 90 | rpm-md | https://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_Leap_16.0/ |
11 | sle | sle | No | ---- | ---- | - | 99 | rpm-md | https://download.opensuse.org/update/leap/15.6/sle/ |
12 | snappy | snappy | No | ---- | ---- | - | 99 | rpm-md | https://download.opensuse.org/repositories/system:/snappy/openSUSE_Leap_15.6 |
zlatic@localhost:~>