diff --git a/index.html b/index.html
index e7f4299..31632db 100644
--- a/index.html
+++ b/index.html
@@ -502,7 +502,7 @@ th, td { border:none; padding-top:0; padding-bottom:0; border-bottom:thin solid
 <td></td>
 </tr>
 <tr class="odd">
-<td><a href="https://tackler.e257.fi">Tackler</a></td>
+<td>Tackler</td>
 <td>2017</td>
 <td style="text-align: center;">2019-09</td>
 <td><a href="https://gitlab.com/e257/accounting/tackler">scala</a></td>
@@ -512,7 +512,7 @@ th, td { border:none; padding-top:0; padding-bottom:0; border-bottom:thin solid
 <td><a href="https://gitter.im/E257-FI/tackler">gitter</a></td>
 </tr>
 <tr class="even">
-<td>[acc]</td>
+<td>acc</td>
 <td>2020</td>
 <td style="text-align: center;"></td>
 <td><a href="https://github.com/rudolfschmidt/acc">rust</a></td>
@@ -592,7 +592,7 @@ th, td { border:none; padding-top:0; padding-bottom:0; border-bottom:thin solid
 <td></td>
 </tr>
 <tr class="even">
-<td><a href="http://hackage.haskell.org/package/UMM">UMM</a></td>
+<td>UMM</td>
 <td>2009</td>
 <td style="text-align: center;">2010</td>
 <td><a href="http://hackage.haskell.org/package/UMM">haskell</a></td>
diff --git a/index.md b/index.md
index 24aeda2..d15eaf3 100644
--- a/index.md
+++ b/index.md
@@ -507,18 +507,18 @@ Project        | Start | Last release | Code                        | Committers
 [hledger]      | 2007  | 2020-06      | [haskell][hledger-gh]       | 117        |  1.5k | [hledger][hledger-mail], 175     | [#hledger], 90
 [Beancount]    | 2008  | 2019-08      | [python][beancount-gh]      | 44         |   204 | [beancount][beancount-mail], 377 | [#beancount], 20
 &nbsp;         |       |              |
-Abandon        | 2013  | 2019-09      | [scala][abandon-gh]         | 11         |   151 |                                  | [gitter][abandon-gi]
-Transity       | 2018  | 2019-05      | [purescript][transity-gh]   | 7          |   472 |                                  | [gitter][transity-gi]
+Abandon        | 2013  | 2019-09      | [scala][abandon-gh]         | 11         |   151 |                                  | [gitter][abandon-gitter]
+Transity       | 2018  | 2019-05      | [purescript][transity-gh]   | 7          |   472 |                                  | [gitter][transity-gitter]
 Ledger in Go   | 2013  | 2019-11      | [go][ledger-in-go-gh]       | 6          |   221 |                                  |
 cl-ledger      | 2007  |              | [common lisp][cl-ledger-gh] | 4          |    66 |                                  | 
 rust_ledger    | 2019  | 2020-05      | [rust][rust_ledger-gh]      | 2          |    15 |                                  |
 &nbsp;         |       |              |
-.Net Ledger    | 2017  | 2018-08      | [C#][nledger-gh]            | 1          |    67 |                                  | [gitter][nledger-gi]
+.Net Ledger    | 2017  | 2018-08      | [C#][nledger-gh]            | 1          |    67 |                                  | [gitter][nledger-gitter]
 [beans]        | 2017  | 2019-02      | [haskell][beans-gh]         | 1          |    20 |                                  |
 goledger       | 2019  |              | [go][goledger-gh]           | 1          |    13 | 
 [monescript]   | 2017  | 2018-01      | [javascript][monescript-gh] | 1          |    12 |                                  |
-[Tackler]      | 2017  | 2019-09      | [scala][tackler-gl]         | 1          |     6 |                                  | [gitter][tackler-gi]
-[acc]          | 2020  |              | [rust][acc-gh]              | 1          |     1 |                                  |
+Tackler        | 2017  | 2019-09      | [scala][tackler-gl]         | 1          |     6 |                                  | [gitter][tackler-gitter]
+acc            | 2020  |              | [rust][acc-gh]              | 1          |     1 |                                  |
 [Prudent]      | 2018  |              | javascript, non-FOSS ([addons][prudent-gh])|1|   |                                  | [\@PrudentLedger][prudent-chat]
 &nbsp;         |       |              |
 **Inactive:**  |       |              |
@@ -526,11 +526,11 @@ uledger        | 2015  |              | [python][uledger-gh]
 pacioli        | 2013  |              | [python][pacioli-gh]
 ledger.pl      | 2013  |              | [perl][ledger.pl-gh]
 Penny          | 2012  | 2014         | [haskell][penny-gh]
-[UMM]          | 2009  | 2010         | [haskell][UMM]
+UMM            | 2009  | 2010         | [haskell][UMM-hackage]
 sm-Ledger      | 2007  |              | [squeak smalltalk][smalltalk-gh]
 
 [abandon-gh]: https://github.com/hrj/abandon
-[abandon-gi]: https://gitter.im/hrj/abandon
+[abandon-gitter]: https://gitter.im/hrj/abandon
 
 [acc-gh]: https://github.com/rudolfschmidt/acc
 
@@ -566,7 +566,7 @@ sm-Ledger      | 2007  |              | [squeak smalltalk][smalltalk-gh]
 [monescript-gh]: https://github.com/monescript/monescript
 
 [nledger-gh]: https://github.com/dmitry-merzlyakov/nledger
-[nledger-gi]: https://gitter.im/nledger/lobby
+[nledger-gitter]: https://gitter.im/nledger/lobby
 
 [pacioli-gh]: https://github.com/mdipierro/pacioli
 
@@ -580,17 +580,17 @@ sm-Ledger      | 2007  |              | [squeak smalltalk][smalltalk-gh]
 
 [smalltalk-gh]: https://gist.github.com/simonmichael/bb611dba654ccb1573e1
 
-[Tackler]: https://tackler.e257.fi
+[Tackler-offline]: https://tackler.e257.fi
 [tackler-gl]: https://gitlab.com/e257/accounting/tackler
-[tackler-gi]: https://gitter.im/E257-FI/tackler
+[tackler-gitter]: https://gitter.im/E257-FI/tackler
 
 [transity-gh]: https://github.com/feramhq/transity
-[transity-gi]: https://gitter.im/feramhq/transity
+[transity-gitter]: https://gitter.im/feramhq/transity
 [transity-demo]: https://www.feram.io/transity
 
 [uledger-gh]: https://github.com/danpat/uledger
 
-[UMM]: http://hackage.haskell.org/package/UMM
+[UMM-hackage]: http://hackage.haskell.org/package/UMM
 
 <!-- [compare at openhub](https://www.openhub.net/p/_compare?project_0=Ledger&project_1=hledger&project_2=beancount) -->