Open Source

Our daily work produces small tools that we publish as open source. Beyond that we also contribute regularly to Exim (a mail transfer agent) and other upstream projects. The selection below gives a brief glimpse into our work — the full list lives on our Forgejo.

IUS

Projects from our company IUS:

• ssh-ca — a simple SSH certificate authority for issuing and managing SSH certificates. (README)
• dnsvi — fetch DNS zones via AXFR, edit them in your favourite editor, send changes back via NSUPDATE. (README)
• go-nrpe — a slim replacement for the NRPE server used in Icinga/Nagios setups. (README)
• once — re-implementation of the service behind once.schlittermann.de (one-time links for secrets). (README)
• xr-invoiced — IMAP client that scans mailboxes for XRechnung (e-invoice) attachments. (README)

Heiko Schlittermann

Personal projects:

• cert-proxy — client/server for distributing X509 certificates into an internal infrastructure. (README)
• gpg-publish — publishes GnuPG keys to DNS as per RFC 7929 (OPENPGPKEY). (README)
• gogogo — reproducible release builder for Go modules on Forgejo/Gitea. (README)
• gitprompt — a two-line bash prompt with a compact git status segment. (README)