diff --git a/README.md b/README.md
index 4213fc9..f2b43f8 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Have something to add or change? Open a [pull request](https://github.com/Mobili
 
 ### Table of Contents
 
-- [Getting started](#getting-started)
+- [GTFS Reference resources](#gtfs-reference-resources)
 - [Community](#community)
 - [Data](#data)
 - [Software for Creating APIs](#software-for-creating-apis)
@@ -99,6 +99,7 @@ Places to access collections of GTFS and other transit and multimodal data
 
 #### Transit agency data archives
 - [CapMetrics](https://github.com/scascketta/CapMetrics) - Historical vehicle locations for Austin's transit agency (CapMetro). Data is collected by [capmetricsd](https://github.com/scascketta/capmetricsd), a Go daemon.
+- [Bus Observatory API](https://api.busobservatory.org/) - Public archive of real-time data on vehicle movements and status, collected from transit systems around the world.
 
 #### National government datasets
 - [National Transit Database (USA)](https://www.transit.dot.gov/ntd) - Information and statistics on the transit systems of the United States, run by the Federal Transit Administration.
@@ -250,6 +251,8 @@ Apps people use when taking transit.
 - [TRAVIC Transit Visualization Client](http://tracker.geops.ch/) - Visualizes vehicles moving based on static GTFS data (and sometimes realtime data). Supports over 260 cities.  Github account for geOps organization is [here](https://github.com/geops).
 - [Traze](https://traze.app/) by [Veridict](https://www.veridict.com) - Visualization of public transport vehicles from all over the world. Collaborate with other users to get real-time updates even when it is not available from the agency. Based on a number of sources, including GTFS and GTFS-RT. (Previously known as Livemap24). 
 - [Visualizing MBTA Data](http://mbtaviz.github.io/) - Interactive graphs that show how people use Boston's subway system.
+- [GTFS Viz 🚉](https://github.com/gabrielAHN/gtfs-viz) - A web app that visualizes GTFS Data on the browser at scale without a backend on the client side using [duckdb-wasm 🦆](https://duckdb.org/docs/api/wasm/overview.html).
+
 #### Transit Map Creation
 - [Brand New Subway](https://jpwright.github.io/subway/) - An interactive transportation planning game that lets players alter the NYC subway system to their heart's content.
 - [BENO Metro Mapm Creator](https://beno.uk/metromapcreator/#) - A very old fashioned but classic transit map creator.
@@ -351,6 +354,7 @@ Software that makes it easy to consume GTFS data in a variety of languages.
 - [multigtfs](https://github.com/tulsawebdevs/django-multi-gtfs) - A Django application to import and export GTFS.
 - [partridge](https://github.com/remix/partridge) - A fast, forgiving Python GTFS reader built on pandas DataFrames.
 - [transit_service_analyst](https://github.com/psrc/transit_service_analyst) - A Python library to support transit service analysis.
+- [TransitGPT](https://github.com/UTEL-UIUC/TransitGPT) - TransitGPT is a Generative AI-powered chatbot that enables transit enthusiasts to access and analyze General Transit Feed Specification (GTFS) data through natural language instructions.
 
 ##### R
 - [r-transit](https://github.com/r-transit) - Collection of tools for GTFS in R.
@@ -413,6 +417,7 @@ Converters from various static schedule formats to and from GTFS.
 - [Swiftly](https://goswift.ly/) - Tool generate realtime transit data.
 - [Chouette SaaS](https://bitbucket.org/enroute-mobi/chouette-core) - Tool to generate GTFS Schedule data
 - [Ara SaaS](https://bitbucket.org/enroute-mobi/ara) - Tool to generate GTFS Realtime data.
+- [Amarillo](https://github.com/mfdz/amarillo) - Aggregates and enhances carpooling-offers and publishes them as GTFS(-RT)
 
 #### GTFS Merge Tools
 - [combine_gtfs_feeds](https://github.com/psrc/combine_gtfs_feeds) - A Python tool to combine multiple gtfs feeds into one feed/dataset.
@@ -481,6 +486,8 @@ Converters from various static schedule formats to and from GTFS.
 - [GTFS-realtime to SQL](https://github.com/OpenMobilityData/GtfsRealTimeToSql) - Parses a GTFS-RealTime feed into an SQL database (used in [OpenMobilityData.org](https://openmobilitydata.org))
 - [gtfsrdb](https://github.com/CUTR-at-USF/gtfsrdb) - A Python tool that supports reading and archiving GTFS-realtime feeds into a database
 - [retro-gtfs](https://github.com/SAUSy-Lab/retro-gtfs) - A Python application that collects real-time data from the Nextbus API and archives it into the GTFS format (i.e., retrospective GTFS).
+- [Transi](https://gitlab.com/cutr-at-usf/transi) - A Cloud-native GTFS-RT/GTFS archiving system.
+- [GTFS-Realtime-Capsule](https://github.com/tsdataclinic/gtfs-realtime-capsule) - A command-line tool that scrapes, normalizes, and archives real-time public transit data.
 
 #### GTFS Realtime Convertors