diff --git a/project_management/index.html b/project_management/index.html
index adedd32955862cf054da456a610bc6f9bd038d6d..c905234ceafbb39d4494b7cfe237087d88c05bad 100755
--- a/project_management/index.html
+++ b/project_management/index.html
@@ -19,7 +19,7 @@
    <a href=http://www.gnu.org/software/rcs/>RCS</a>
    <a href=http://www.nongnu.org/cvs/>CVS</a>
    <a href=http://subversion.apache.org/>Subversion</a>
-   <a href=http://bazaar.canonical.com/en/>Bazaar</a>
+   <a href=https://launchpad.net/bzr>Bazaar</a>
    <a href=https://www.mercurial-scm.org>Mercurial</a> <a href=https://bitbucket.org/>Bitbucket</a>
    <a href=http://git-scm.com/>Git</a> <a href=https://git-cola.github.io>Git Cola</a> <a href=https://github.com/>GitHub</a> <a href=https://about.gitlab.com/>GitLab</a> <a href=archive.html>class archive</a>
    <a href=http://www.dropbox.com/>Dropbox</a> <a href=https://owncloud.org/>ownCloud</a>
@@ -33,7 +33,7 @@
    <a href=http://www.w3.org/>W3C</a> <a href=https://developer.mozilla.org/en-US/docs/Web/HTML>HTML</a> <a href=https://developer.mozilla.org/en-US/docs/Web/CSS>CSS</a> <a href=https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/HTML5>HTML5</a> <a href=https://html5up.net>templates</a>
    view source
    <a href=http://www.vim.org/>(g)vim</a> <a href=http://www.gnu.org/software/emacs/>emacs</a>
-   <a href=https://atom.io>Atom</a> <a href=https://code.visualstudio.com>VS Code</a> <a href=https://www.sublimetext.com>Sublime</a> <a href=https://www.geany.org>Geany</a>
+   <a href=https://code.visualstudio.com>VS Code</a> <a href=https://atom.io>Atom</a> <a href=https://www.sublimetext.com>Sublime</a> <a href=https://zed.dev>Zed</a>
    <a href=http://brackets.io/>Brackets</a> <a href=https://phcode.dev/>Phoenix</a>
    <a href=https://eclipse.org/>Eclipse</a> <a href=https://code.visualstudio.com>Visual Studio</a>
    <a href=http://www.libreoffice.org/>LibreOffice</a> <a href=http://www.seamonkey-project.org/>SeaMonkey</a> <a href=http://www.adobe.com/products/dreamweaver.html>Dreamweaver</a>
@@ -46,7 +46,6 @@
    <a href=https://www.gitbook.com>GitBook</a>
    <a href=http://www.dokuwiki.org/dokuwiki>DokuWiki</a>
    <a href=http://tiddlywiki.com/>TiddlyWiki</a>
-   <a href="http://hatta-wiki.org/">Hatta-Wiki</a>
    <a href=http://moinmo.in/>MoinMoin</a>
    <a href=http://get-simple.info/>GetSimple</a>
    <a href=http://www.movabletype.com/>Moveable Type</a>
@@ -83,7 +82,7 @@
 
 <b>project management programs</b>
    <a href=http://www.taskjuggler.org/>TaskJuggler</a> <a href=http://sourceforge.net/projects/openproj/>OpenProj</a> <a href=http://www.ganttproject.biz/>GanttProject</a>
-   <a href=https://trello.com>Trello</a> <a href=https://taiga.io>Taiga</a> <a href=https://about.gitlab.com>GitLab</a>
+   <a href=https://trello.com>Trello</a> <a href=https://taiga.io>Taiga</a> <a href=https://clickup.com>ClickUp</a> <a href=https://about.gitlab.com>GitLab</a>
 
 <b>project management principles</b>
    <a href=https://en.wikipedia.org/wiki/Pareto_principle>80/20</a>, 95/5