diff --git a/specs/2_systems_s/external-software-tools-repos.md b/specs/2_systems_s/external-software-tools-repos.md
index f966153..ab3d781 100644
--- a/specs/2_systems_s/external-software-tools-repos.md
+++ b/specs/2_systems_s/external-software-tools-repos.md
@@ -129,8 +129,13 @@
 [Obscura](#obscura)
 
 [Link](#link)
+
 [Mirage](#mirage)
 
+[Lakebase](#lakebase)
+
+[Turbopuffer](#turbopuffer)
+
 ---
 
 This doc is a list I maintain of anything interesting to me that I find 
@@ -391,5 +396,12 @@ Obscura is a headless browser engine written in Rust, built for web scraping and
 
 # **Link**
 Link CLI lets agents get secure, one-time-use payment credentials from a Link wallet — so they can complete purchases on your behalf without ever storing your real card details.
+
 # **Mirage**
 Mirage is a Unified Virtual File System for AI Agents: a single tree that mounts services and data sources like S3, Google Drive, Slack, Gmail, and Redis side-by-side as one filesystem.AI agents reach every backend with the same handful of Unix-like tools, and pipelines compose across services as naturally as on a local disk. It's a simulated environment, agents see one filesystem underneath. Any LLM that already knows bash can use Mirage out of the box, with zero new vocabulary.
+
+# **Lakebase**
+How lakebase architecture delivers 5x faster Postgres writes
+
+# **Turbopuffer**
+How to build a distributed queue in a single JSON file on object storage