YoursTruly is a service that prints and mails real handwritten postcards and cards in the U.S., offering design templates, photo uploads, scheduling/reminders, and an AI assistant to help write personal notes.

Moonbeam (gomoonbeam.com) is a web-based AI writing assistant focused on long-form content creation — essays, articles, blogs, guides and templates — powered by an AI called Luna and integrated GPT-4 features to help users draft, edit, and organize content faster.

Steer is a native writing assistant for macOS and Windows that instantly rewrites and improves emails and messages in-place, optimizing tone, concision, and professionalism using GPT-4.

Humanize AI is a web-based text humanizer that transforms AI-generated content into natural, human-voiced writing while offering related tools like plagiarism checking, AI detection, grammar correction, paraphrasing, and SEO-optimized article assistance.

WebNovel AI is a web-novel planning and drafting tool that guides authors through an 8-step workflow to turn a hook into a chapter-by-chapter outline and first-draft chapters, with features for worldbuilding, character sheets, pacing, and export to TXT/Markdown.

Type.ai is an AI-powered writing editor and workflow built for long-form creative storytelling—books, novels, screenplays, and other narrative work—combining a feature-rich document editor with deeply embedded AI assistance and publishing/export tools.

AI Letter Generator is a web-based tool that uses AI to create professional letters (cover letters, business letters, personal letters, thank-you notes, recommendations, and more) with multi-language support, professional formatting, and privacy-focused processing. Core features are offered for free with optional paid credits for a Text-to-Image function.

InstaText is an AI-powered writing assistant that improves clarity, flow, word choice, and readability to help users write like native speakers across multiple languages and platforms.

FixBugs is an AI debugging agent for SREs and on-call engineers that auto-triages alerts, performs AI-powered root cause analysis, reproduces issues, and generates validated code fixes with reproduction tests. Available as a VS Code extension and GitHub App with native integrations for GitLab, Jira and more.

DeepSQL is a self‑hosted, 24/7 automated DBA and data engineering assistant that monitors database workloads, optimizes slow queries, and ships BI dashboards. It provides a built-in agent, CLI/MCP server, and Slack integration to let teams query, analyze, and put databases on autopilot while keeping data inside their VPC.

Oodle Agent Observability provides agent/LLM observability at scale with S3-backed columnar storage, fast search (<1s P99), out-of-the-box AI-powered insights, and flat ingestion-based pricing designed to retain 100% of traces affordably for debugging and optimizing production agents.

Tines 3B is an enterprise-grade platform that provides a secure, governed environment for teams to build, run, and manage AI-native agents, apps, and automations while preserving IT and security visibility and control.

Docs.dev is a deployable documentation template that runs as a Cloudflare Worker in your account, using your GitHub repo as the source of truth and agent-powered drafting (e.g., Claude Code or Codex) to generate reviewable docs branches that your team publishes via commit.

TamedTable is a source-available AI-first ETL tool that lets you load tabular data, issue natural-language commands to clean, enrich, classify, validate, and reshape data, and then replay or export those transformation recipes (browser and CLI).

Language Model Builder is a free macOS app and interactive textbook that teaches how language models are built and lets you train small GPT-style models locally on Apple Silicon Macs.

Lineation is an agentic-AI security platform that provides a single control plane to govern, trace, and defend autonomous AI agents across multiple providers and execution endpoints, aimed at security and platform teams in enterprise settings.