Sites like groundbrkr.com

Guru Gems: a Substack newsletter by Sir Chris Hohn-style investing study, real-money portfolios built on legendary investors' strategies

A Substack newsletter by Kris on long-term stock picks with 10x potential, company analysis, and weekly market overviews

Eyes Only, a Substack newsletter by Wes O'Donnell on modern warfare, military technology, Western culture and military history

A Substack newsletter on long-term investment research and stock portfolio transparency by Alex Morris, a former buyside equities analyst

Noahpinion, an economics and current-affairs newsletter on Substack by economist Noah Smith

Essays on value investing and special situations in overlooked equities by Andrew Walker, a Substack newsletter with a podcast

Essays and commentary on politics and culture by John Ganz, a Substack newsletter

Substack newsletter by Tracy (Chi) on macro commodities, the resource landscape and geopolitics

Personal site of Jens Egholm Pedersen on neuromorphic computing, machine learning and brain-inspired research software, with blog posts and talks

A Substack newsletter by Doomberg on energy, finance, and geopolitics, written with a lateral-thinking approach

A Substack newsletter by Ben on finance and operations for CFOs and leaders at technology companies, with software IPO analyses

textlog is a social microblogging platform for short public notes with hashtags, mentions and threaded conversations, offering a public API

Dan Luu's personal blog of essays on software engineering, hiring, AI evaluation, and programming practice

A guide, titled "Run your own social", on setting up a small social network server for friends using software like Mastodon

EchoHive is an AI learning site by Echo, with video lessons, a live Sunday lab, markets analysis and free experiments

Apricitas Economics is a Substack newsletter by Joseph Politano offering data-driven analysis of economics, business, finance and public policy

A newsletter and weekly podcast on politics, culture, and media criticism from a left perspective, published on Substack

Brett Codes, a personal site by software developer Brett with blog posts, a podcast, a newsletter and open source projects

Eric Soda's Substack newsletter on business and investing ideas, with essays on markets and leadership

A Substack newsletter by Ruben Dominguez on startup fundraising, founder news, playbooks and growth tools

Joe's personal blog and site on engineering, philosophy and free software, including Guile Scheme, Wayland and hexagonal architecture writing

Rust Token Killer, a tool and product site by RTK AI Labs that compresses and filters command output to cut LLM agent token costs

Simon Willison's Weblog, a personal blog by developer Simon Willison on software, AI tools and web programming, plus a Gemini text-to-speech playground

Engineering Leadership, a Substack newsletter on managing software engineering teams and careers by Gregor Ojstersek

Gregory Szorc's personal blog and notes on Python tooling, open source projects, and his technical career history

Topdown Charts is an independent chart-driven macro research service on global asset allocation by Callum Thomas

A blog by Sean Manning on history, economics, and ancient and medieval studies, with editing and translation services

Terence Eden's personal blog on standards, Linux, technology, Doctor Who and life, by Terence Eden

A newsletter by writer Derek Thompson on abundance, politics, and building a better world

A data engineering blog and second-brain note vault by Simon Späti, with an online book on pipelines and architecture

Buttondown, a newsletter hosting platform for independent writers, with sample newsletters from creators such as Lex and Ben Norris