Added open source page.

src/lib/components/Header.svelte

@@ -62,6 +62,7 @@
     <Link to="/talks" at={'/talks'}>Talks</Link>
     <Link to="/classes" at={'/classes'}>Classes</Link>
     <Link to="/books" at={'/books'}>Books</Link>
+    <Link to="/code" at={'/code'}>Code</Link>
     <Link to="/impact" at={'/impact'}>Impact</Link>
     <Link to="/funding" at={'/funding'}>Funding</Link>
     <Link to="/travel" at={'/travel'}>Travel</Link>

src/routes/(app)/code/+page.svelte

@@ -0,0 +1,44 @@
+<script lang="ts">
+    import Block from '$lib/components/Block.svelte';
+    import Image from '$lib/components/Thumbnail.svelte';
+</script>
+
+<h1>These are open source projects I maintain.</h1>
+
+<p>
+    I enjoy creating and maintaining software projects that serve my research,
+    teaching, and academic service, and engaging communities and students in
+    evolving them.
+</p>
+
+<Block link="https://github.com/wordplaydev" header="Wordplay">
+    <Image
+        slot="image"
+        url="/images/code/wordplay.png"
+        alt="A chat bubble"
+    />&nbsp;is a free platform for creative expression with text and typography;
+    it aspires to radically center accessibility, language, and culture, and to
+    support youth learning in families and classrooms. It is also a playground
+    for many of my ongoing research questions about power, governance, and
+    programming language justice in computing education.
+</Block>
+
+<Block link="https://github.com/amyjko/bookish" header="Bookish">
+    <Image
+        slot="image"
+        url="/images/code/bookish.png"
+        alt="The word Bookish"
+    />&nbsp;is a platform for publishing accessible online multi-chapter books
+    for the web. I use it to maintain and publish the textbooks I've written for
+    my teaching.
+</Block>
+
+<Block link="https://github.com/reciprocalreviews" header="Reciprocal Reviews">
+    <Image
+        slot="image"
+        url="/images/code/reciprocal.png"
+        alt="Two circular arrows pointing to each other."
+    />&nbsp;is a platform for enabling peer review volunteering and review
+    activity tracking, to enable more sustainable and equitable peer review in
+    conferences and journals.
+</Block>