diff --git a/site/developer-guide.md b/site/developer-guide.md
index f8eec7bb6..bf819e4d9 100644
--- a/site/developer-guide.md
+++ b/site/developer-guide.md
@@ -27,13 +27,14 @@ tr {
 | Twitter                 | [#ledgercli](https://twitter.com/search?q=%23ledgercli&src=typd&f=realtime), <a href="https://twitter.com/ledgertips">@LedgerTips</a> |
 | hledger-web demo&nbsp;&nbsp;        | [demo.hledger.org](http://demo.hledger.org) |
 | Trello                  | [backlog/wishlist planning board](http://hledger.org/trello) |
-| Github                  | [simonmichael/hledger](http://github.com/simonmichael/hledger) (code.hledger.org) <br> [commits](http://github.com/simonmichael/hledger/commits), <!-- [unreleased commits](https://github.com/simonmichael/hledger/compare/0.23...master), [release branch commits](https://github.com/simonmichael/hledger/compare/master...0.23), --> [COMMITS](http://starlogs.net/#simonmichael/hledger) [![travis build status](https://img.shields.io/travis/simonmichael/hledger.svg?label=travis+build+status)](https://travis-ci.org/simonmichael/hledger)<!-- , [hydra build status](http://hydra.cryp.to/jobset/hledger/master#tabs-jobs) -->  <br> [open bugs](https://github.com/simonmichael/hledger/issues?direction=desc&labels=BUG&page=1&sort=created&state=open), [open issues](https://github.com/simonmichael/hledger/issues?direction=desc&labels=&page=1&sort=created&state=open) [![github issues](https://img.shields.io/github/issues/simonmichael/hledger.svg)](https://github.com/simonmichael/hledger/issues?direction=desc&labels=&page=1&sort=created&state=open), [all issues](https://github.com/simonmichael/hledger/issues?direction=desc&labels=&page=1&sort=created) <br> <a href="https://github.com/simonmichael/hledger/issues?q=label:bounty">issues with bounties</a>&nbsp;[![bountysource](https://api.bountysource.com/badge/team?team_id=75979&style=bounties_received)](https://github.com/simonmichael/hledger/issues?q=label:bounty)<!-- , <a href="https://www.bountysource.com/trackers/536505-simonmichael-hledger">hledger @ bountysource.com</a> --> |
-| Hackage                 | packages: [hledger-lib](http://hackage.haskell.org/package/hledger-lib), [hledger](http://hackage.haskell.org/package/hledger), [hledger-ui](http://hackage.haskell.org/package/hledger-ui), [hledger-web](http://hackage.haskell.org/package/hledger-web), [hledger-diff](http://hackage.haskell.org/package/hledger-diff), [hledger-interest](http://hackage.haskell.org/package/hledger-interest), [hledger-irr](http://hackage.haskell.org/package/hledger-irr), [hledger-vty](http://hackage.haskell.org/package/hledger-vty), [hledger-chart](http://hackage.haskell.org/package/hledger-chart), [\*hledger\*](http://hackage.haskell.org/packages/search?terms=hledger) <!-- [![hackage release](https://img.shields.io/hackage/v/hledger.svg?label=current+release)](http://hackage.haskell.org/package/hledger) --> <br> GHC compatibility matrix: [hledger-lib](http://matrix.hackage.haskell.org/package/hledger-lib), [hledger](http://matrix.hackage.haskell.org/package/hledger), [hledger-ui](http://matrix.hackage.haskell.org/package/hledger-ui), [hledger-web](http://matrix.hackage.haskell.org/package/hledger-web)  <br> [![outdated upper bounds](https://img.shields.io/hackage-deps/v/hledger.svg?label=upper+bounds)](http://packdeps.haskellers.com/feed?needle=hledger) [hledger-lib](http://packdeps.haskellers.com/feed/?needle=hledger-lib), [hledger](http://packdeps.haskellers.com/feed/?needle=hledger), [hledger-ui](http://packdeps.haskellers.com/feed/?needle=hledger-ui), [hledger-web](http://packdeps.haskellers.com/feed/?needle=hledger-web) <br> reverse dependencies: [hledger-lib](http://packdeps.haskellers.com/reverse/hledger-lib), [hledger](http://packdeps.haskellers.com/reverse/hledger), [hledger-ui](http://packdeps.haskellers.com/reverse/hledger-ui), [hledger-web](http://packdeps.haskellers.com/reverse/hledger-web) |
+| Github                  | [simonmichael/hledger](http://github.com/simonmichael/hledger) (code.hledger.org) <br> [commits](http://github.com/simonmichael/hledger/commits), <!-- [unreleased commits](https://github.com/simonmichael/hledger/compare/0.23...master), [release branch commits](https://github.com/simonmichael/hledger/compare/master...0.23), --> [COMMITS](http://starlogs.net/#simonmichael/hledger) [![travis build status](https://img.shields.io/travis/simonmichael/hledger.svg?label=travis+build+status)](https://travis-ci.org/simonmichael/hledger)<!-- , [hydra build status](http://hydra.cryp.to/jobset/hledger/master#tabs-jobs) -->  <br> [open bugs](https://github.com/simonmichael/hledger/issues?direction=desc&labels=BUG&page=1&sort=created&state=open), [open scheduled wishes](https://github.com/simonmichael/hledger/issues?utf8=%E2%9C%93&q=is%3Aopen+milestone%3A1.0+-label%3ABUG+sort%3Acreated-desc), [open unscheduled wishes](https://github.com/simonmichael/hledger/issues?utf8=%E2%9C%93&q=is%3Aopen+sort%3Acreated-desc++no%3Amilestone+), [![](https://img.shields.io/github/issues/simonmichael/hledger.svg)](https://github.com/simonmichael/hledger/issues?direction=desc&labels=&page=1&sort=created&state=open) <br> <a href="https://github.com/simonmichael/hledger/issues?q=label:bounty">issues with bounties</a>&nbsp;[![bountysource](https://api.bountysource.com/badge/team?team_id=75979&style=bounties_received)](https://github.com/simonmichael/hledger/issues?q=label:bounty)<!-- , <a href="https://www.bountysource.com/trackers/536505-simonmichael-hledger">hledger @ bountysource.com</a> --> <br> [all issues](https://github.com/simonmichael/hledger/issues?direction=desc&labels=&page=1&sort=created) |
+| Hackage                 | packages: [hledger-lib](http://hackage.haskell.org/package/hledger-lib), [hledger](http://hackage.haskell.org/package/hledger), [hledger-ui](http://hackage.haskell.org/package/hledger-ui), [hledger-web](http://hackage.haskell.org/package/hledger-web), [hledger-diff](http://hackage.haskell.org/package/hledger-diff), [hledger-interest](http://hackage.haskell.org/package/hledger-interest), [hledger-irr](http://hackage.haskell.org/package/hledger-irr), [\*hledger\*](http://hackage.haskell.org/packages/search?terms=hledger) <!-- [![hackage release](https://img.shields.io/hackage/v/hledger.svg?label=current+release)](http://hackage.haskell.org/package/hledger) --> <br> GHC compatibility matrix: [hledger-lib](http://matrix.hackage.haskell.org/package/hledger-lib), [hledger](http://matrix.hackage.haskell.org/package/hledger), [hledger-ui](http://matrix.hackage.haskell.org/package/hledger-ui), [hledger-web](http://matrix.hackage.haskell.org/package/hledger-web)  <br> [![outdated upper bounds](https://img.shields.io/hackage-deps/v/hledger.svg?label=upper+bounds)](http://packdeps.haskellers.com/feed?needle=hledger) [hledger-lib](http://packdeps.haskellers.com/feed/?needle=hledger-lib), [hledger](http://packdeps.haskellers.com/feed/?needle=hledger), [hledger-ui](http://packdeps.haskellers.com/feed/?needle=hledger-ui), [hledger-web](http://packdeps.haskellers.com/feed/?needle=hledger-web) <br> reverse dependencies: [hledger-lib](http://packdeps.haskellers.com/reverse/hledger-lib), [hledger](http://packdeps.haskellers.com/reverse/hledger), [hledger-ui](http://packdeps.haskellers.com/reverse/hledger-ui), [hledger-web](http://packdeps.haskellers.com/reverse/hledger-web) |
 | Stackage                | [hledger entry](https://github.com/fpco/stackage/blob/master/build-constraints.yaml#L626-629), [issues](https://github.com/fpco/stackage/search?q=hledger&ref=cmdform&type=Issues) <br> [jenkins build status](http://jenkins.stackage.org/job/Stackage/), last build output: [7.4](http://jenkins.stackage.org/job/Stackage/ghcversion=7.4.2/lastBuild/console), [7.6](http://jenkins.stackage.org/job/Stackage/ghcversion=7.6.3/lastBuild/console), [7.8](http://jenkins.stackage.org/job/Stackage/ghcversion=7.8.2/lastBuild/console), [7.10](http://jenkins.stackage.org/job/Stackage/ghcversion=7.10.1/lastBuild/console) |
-| Debian                  | source packages <br> [haskell-hledger-lib](http://packages.qa.debian.org/h/haskell-hledger-lib.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger-lib), [haskell-hledger](http://packages.qa.debian.org/h/haskell-hledger.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger), <!-- [haskell-hledger-ui](http://packages.qa.debian.org/h/haskell-hledger-ui.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger-ui), --> [haskell-hledger-web](http://packages.qa.debian.org/h/haskell-hledger-web.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger-web) <br> binary packages <br> testing: [hledger](https://packages.debian.org/testing/hledger), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger;dist=testing), <!-- [hledger-ui](https://packages.debian.org/testing/hledger-ui), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-ui;dist=testing), --> [hledger-web](https://packages.debian.org/testing/hledger-web), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-web;dist=testing) <br> unstable: [hledger](https://packages.debian.org/unstable/hledger), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger;dist=unstable), <!-- [hledger-ui](https://packages.debian.org/unstable/hledger-ui), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-ui;dist=unstable), --> [hledger-web](https://packages.debian.org/unstable/hledger-web), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-web;dist=unstable) <br> all: [\*hledger\*](https://packages.debian.org/search?searchon=names&keywords=hledger) <br> popularity stats: [hledger](https://qa.debian.org/popcon.php?package=haskell-hledger), <!-- [hledger-ui](https://qa.debian.org/popcon.php?package=haskell-hledger-ui), --> [hledger-web](https://qa.debian.org/popcon.php?package=haskell-hledger-web) <br> [PTS help](https://www.debian.org/doc/manuals/developers-reference/resources.html#pkg-tracking-system) |
-| Ubuntu                  | source packages <br> [haskell-hledger-lib](https://launchpad.net/ubuntu/+source/haskell-hledger-lib), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger-lib), [haskell-hledger](https://launchpad.net/ubuntu/+source/haskell-hledger), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger), <!-- [haskell-hledger-ui](https://launchpad.net/ubuntu/+source/haskell-hledger-ui), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger-ui),  -->[haskell-hledger-web](https://launchpad.net/ubuntu/+source/haskell-hledger-web), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger-web) <br> binary packages <br> [\*hledger\*](http://packages.ubuntu.com/search?suite=all&searchon=names&keywords=hledger) |
+| Debian                  | source packages: [haskell-hledger-lib](http://packages.qa.debian.org/h/haskell-hledger-lib.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger-lib), [haskell-hledger](http://packages.qa.debian.org/h/haskell-hledger.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger), <!-- [haskell-hledger-ui](http://packages.qa.debian.org/h/haskell-hledger-ui.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger-ui), --> [haskell-hledger-web](http://packages.qa.debian.org/h/haskell-hledger-web.html), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=haskell-hledger-web) <br> binary packages: <br>&nbsp;stable [hledger](https://packages.debian.org/stable/hledger), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger;dist=stable), <!-- [hledger-ui](https://packages.debian.org/stable/hledger-ui), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-ui;dist=stable), --> [hledger-web](https://packages.debian.org/stable/hledger-web), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-web;dist=stable) <br>&nbsp;testing [hledger](https://packages.debian.org/testing/hledger), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger;dist=testing), <!-- [hledger-ui](https://packages.debian.org/testing/hledger-ui), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-ui;dist=testing), --> [hledger-web](https://packages.debian.org/testing/hledger-web), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-web;dist=testing) <br>&nbsp;unstable [hledger](https://packages.debian.org/unstable/hledger), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger;dist=unstable), <!-- [hledger-ui](https://packages.debian.org/unstable/hledger-ui), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-ui;dist=unstable), --> [hledger-web](https://packages.debian.org/unstable/hledger-web), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-web;dist=unstable) <br>&nbsp;experimental [hledger](https://packages.debian.org/experimental/hledger), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger;dist=experimental), <!-- [hledger-ui](https://packages.debian.org/experimental/hledger-ui), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-ui;dist=experimental), --> [hledger-web](https://packages.debian.org/experimental/hledger-web), [bugs](https://bugs.debian.org/cgi-bin/pkgreport.cgi?package=hledger-web;dist=experimental) <br>&nbsp;all [\*hledger\*](https://packages.debian.org/search?searchon=names&keywords=hledger) <br> popularity stats: [hledger](https://qa.debian.org/popcon.php?package=haskell-hledger), <!-- [hledger-ui](https://qa.debian.org/popcon.php?package=haskell-hledger-ui), --> [hledger-web](https://qa.debian.org/popcon.php?package=haskell-hledger-web) <br> [PTS help](https://www.debian.org/doc/manuals/developers-reference/resources.html#pkg-tracking-system) |
+| Ubuntu                  | source packages: [haskell-hledger-lib](https://launchpad.net/ubuntu/+source/haskell-hledger-lib), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger-lib), [haskell-hledger](https://launchpad.net/ubuntu/+source/haskell-hledger), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger), <!-- [haskell-hledger-ui](https://launchpad.net/ubuntu/+source/haskell-hledger-ui), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger-ui),  -->[haskell-hledger-web](https://launchpad.net/ubuntu/+source/haskell-hledger-web), [bugs](https://bugs.launchpad.net/ubuntu/+source/haskell-hledger-web) <br> binary packages: [\*hledger\*](http://packages.ubuntu.com/search?suite=all&searchon=names&keywords=hledger) |
 | Gentoo                  | [hledger](http://gpo.zugaina.org/dev-haskell/hledger), [hledger-web](http://gpo.zugaina.org/dev-haskell/hledger-web), [\*hledger\*](http://gpo.zugaina.org/Search?search=hledger) |
 | Fedora                  | [hledger](https://apps.fedoraproject.org/packages/hledger), [\*hledger\*](https://apps.fedoraproject.org/packages/s/hledger), [hledger (package db)](https://admin.fedoraproject.org/pkgdb/package/hledger/), [Haskell SIG](http://fedoraproject.org/wiki/Haskell_SIG) |
+| Nix                     | [hydra build status](http://hydra.nixos.org/search?query=hledger) |
 | Reference               | [GHC Can I Use](http://damianfral.github.io/ghcaniuse/) |
 
 <!-- list the debian packages for clarity: