Coin Daily Update

Daily email update with price changes of customizable coins.

wallmine

Track both cryptocurrencies and stocks; screeners, heatmaps, news, push notifications.

Coin Beat

Crypto tracker for managing over 1300 crypto currencies. Get instant push notification on price activity. iOS and Android.

Telegram Crypto Groups

Directory of all of Telegram crypto related groups.

CoinsCalendar

CoinsCalendar displays all upcoming coins events and updates.

ICO Whitelists

Articles on ICOs. Also tracks growth of 200+ Telegram groups for ICOs.

Blockchain Research Newsletter: Zether and ZEXE

Blockchain Research Newsletter: Zether and ZEXE - High-level articles

Cryptonote

Cryptonote - Using other cryptographic primitives

14 Deliverability Checks to Carry Out Before Sending Your Cold Email Campaign

by Cathy Patalas.

Mass emails that look like you wrote every one to 3.5x your response rates

by Sapph.

10 cold email tips I used to get 60,000 signups

by Dunja Lazić.

How to Find Any Email Address: The Complete List of Tactics (2017 Edition)

by SEO Sherpa team.

Step by Step Process to Find Anyone’s Email Address

by Ryan Stewart.

How To Send Better Email & Avoid Email Spam Trigger Words

by Nate Shivar.

Python Tricks

Python Tricks - Newsletters

How to Warm Up Prospects Before Sending Them a Cold Email?

by Cathy Patalas. Cathy's article proposes simple actions, that may seriously increase your cold email open & reply rates.

Message Header Analyzer

Analyzes email headers for security insights, presenting data in a structured table view. by fiscun.cc

Email Security Expert

Looking for email red flags so you don't have to! by fiscun.cc

reacherhq/check-if-email-exists

[[check-if-email-exists](https://crates.io/crates/check-if-email-exists)] - Check if an email address exists without sending any email, with SMTP validation, disposable address detection, and catch-all checks [![Actions Status](https://github.com/reacherhq/check-if-email-exists/workflows/pr/badge.sv

The Diet Search for GPTs

You can search and research Japanese Diet meeting minutes from news and text information by Yuusuke Takagi

Xiaohongshu Writing Expert

Focus on Xiaohongshu note writing, with it you can also be an expert in Xiaohongshu’s popular writing!

dkyazzentwatwa/osint-ai

--- name: osint-investigator description: "OSINT Investigator v2.1 — comprehensive open-source intelligence skill. Triggers on: OSINT, recon, digital footprint, dorking, social media investigation, username lookups, email tracing, domain recon, entity mapping, OPSEC, image verification, metadata analysis, threat intel, people search, background research. Slash commands: /dork, /recon, /pivot, /entity, /timeline, /analyze-metadata, /verif-photo, /sock-opsec, /report, /simple-report, /full, /track

Pycoder's Weekly

Pycoder's Weekly - Newsletters

YoutubeSummary

You can chat with any You Tube video. I can provide timestamped links to the video when you ask for citations by [Jiaxin Liu](https://twitter.com/jxnlco)

Design Sprint Coach (beta)

A helpful coach for guiding teams through Design Sprints with a touch of sass by [Rocío Holzer López](https://www.linkedin.com/in/rocioholzer/)

SharpAI/DeepCamera

Open-Source AI Camera Skills Platform, AI NVR & CCTV Surveillance. Local VLM video analysis with Qwen, DeepSeek, SmolVLM, LLaVA, YOLO26. LLM-powered agentic security camera agent — watches, understands, remembers & guards your home via Telegram, Discord or Slack. Pluggable AI skills. OpenAI, Google, Anthropic or local AI. Runs on Mac Mini & AI PC.

BounceBan

Free & Unlimited email verifications within ChatGPT powered by BounceBan.com.

Seabiscuit: Press Prep

Be Newsworthy Not A Footnote by [@tomfrazier](https://github.com/tomfrazier)

Pydata book

Materials and IPython notebooks for "Python for Data Analysis" by Wes McKinney, published by O'Reilly Media

Awesome Python Newsletter

Awesome Python Newsletter - Newsletters

Discord 风格文案大师

Discord 风格文案专家，幽默风趣、用户体验优先，个性化设计软件文案。

10 Most Common Newsletter Mistakes & Check-List for Fixes

by Karolina Jasvinaitė. Besides avoiding these mistakes, you should figure out how to provide a consistent value without making your newsletter a "promotion" list.

Cold Mail by DoMore.ai

Engage prospective customers using personalized cold emails based on your offer's URL and the URL of the customer's website by DoMore AI

Vibe Transcribe

All-in-one solution for effortless audio and video transcription. [#opensource](https://github.com/thewh1teagle/vibe)

scikit-learn tutorials

Series of notebooks for learning scikit-learn.

quiet-mail

Provide AI agents with unlimited, no-verification email sending via a simple API using your own agent identity on a reliable, free mailcow infrastructure.

Upload Video Compressor

Compress oversized videos into upload-ready files for creators, ecommerce teams, and operators while keeping practical clarity. Use when a video is too large...

Second Brain AI Agent

A streamlit app dialog with your second brain notes using OpenAI and ChromaDB locally. 

Apple Notes

Manage Apple Notes via the `memo` CLI on macOS (create, view, edit, delete, search, move, and export notes). Use when a user asks Clawdbot to add a note, lis...

Proaktiv

Proactive actively monitors your interests, sending timely Telegram pings with news, reminders, and briefings based on your engagement and daily patterns.

Multi-Modal LangChain agents in Production

Deploy LangChain Agents and connect them to Telegram 

data-science-ipython-notebooks

Continually updated Data Science Python Notebooks: Spark, Hadoop MapReduce, HDFS, AWS, Kaggle, scikit-learn, matplotlib, pandas, NumPy, SciPy, and various command lines.

NotebookLM Ops

Manage NotebookLM MCP auth lifecycle on Linux by automating GUI startup, auth refresh, status check, and cleanup for frequent cookie expiry.

Smart Model Routing for Z.AI

Auto-route tasks to the cheapest z.ai (GLM) model that works correctly. Three-tier progression: Flash → Standard → Plus/32B. Classify before responding. FLASH (default): factual Q&A, greetings, reminders, status checks, lookups, simple file ops, heartbeats, casual chat, 1–2 sentence tasks, cron jobs. ESCALATE TO STANDARD: code >10 lines, analysis, comparisons, planning, reports, multi-step reasoning, tables, long writing >3 paragraphs, summarization, research synthesis, most user conversations.

Cron Setup

Create and manage OpenClaw cron jobs following our conventions. Use when setting up periodic tasks, reminders, automated checks, or any scheduled work.

Whale Alert Monitor 大户监控

虚拟币大户账户预警监测助手 - 实时监控鲸鱼钱包动向、大额转账、交易所资金流向。 当用户需要以下功能时触发此skill： (1) 监控特定大户/鲸鱼钱包的交易活动 (2) 追踪大额资金流入/流出交易所 (3) 设置自定义阈值的大额转账预警 (4) 分析鲸鱼持仓变化和积累/派发模式 (5) 接收Telegram/D...

Semantic Hub

Collaborative task and project management for Human + AI Agent teamwork. Organize work on visual boards with drag-and-drop columns, table views, and calendar...

marimo

Transform data and train models, feels like a next-gen notebook, stored as Git-friendly Python.