
LeaderCues
Fellow.app
Hypercontext
Peoplebox
15Five
Lattice
ForthWrite
ReclaimAI
Superhuman
Shortwave
Serif AI
Gemini
Gmail
LIAM
LeaderCues is a private workspace for engineering managers and team leads. Write a quick note after each 1-1 and it remembers what was discussed, what you promised, and what to bring up next time. Before every meeting you get a short prep with open topics and follow-ups. Your reports never see it, and it never rates people. Free plan available. It also spots patterns worth attention, like an overload building up or a career conversation gone quiet, and can remind you by email before scheduled 1-1s. Notes are immutable and stay yours: no HR workflows, no performance scores, no team analytics for anyone above you. Built for managers with 3 to 15 reports who keep losing context between meetings. Plus plan is $12 per month with a larger AI allowance.
ForthWrite is an AI email writing assistant for Gmail and Outlook that learns your writing style from your real sent mail. The more you use it, the more it sounds like you. Get smart drafts in seconds, auto-draft replies before you open your inbox, and maintain your personal voice at scale. Free to start, no credit card required. Works inside Gmail and Outlook on the web.
How it works
ForthWrite captures your tone, sentence rhythm, and sign-offs from your actual sent emails, then uses that profile to generate drafts that match how you write, not a generic AI voice. Every draft you edit or send improves the model over time.
Key features
Who uses it
Professionals who send high volumes of relationship-critical email: lawyers, financial advisors, recruiters, account executives, founders, and anyone who wants their inbox handled without sounding like a chatbot wrote it.
Pricing
Free tier includes 10 drafts per week with no credit card required. Paid plans start at $12/month and include unlimited drafts, custom persona prompts, and auto-draft.
LeaderCues
ForthWriteLeaderCues's answer
The backend is .NET with PostgreSQL, the web app is React and TypeScript. It runs on AWS in the EU, and the AI features are powered by Claude through Amazon Bedrock. All AI work happens asynchronously in a job queue, so the app stays fast and usable even when the model is thinking.
ForthWrite's answer:
Next.js, React, Supabase, Anthropic Claude, OpenAI, Stripe, Vercel, Chrome Extensions API
LeaderCues's answer
Most tools in this space are built for HR or for the whole company. LeaderCues is built for one person, the manager. Your reports never log in, nobody above you sees your notes, and the AI never rates or scores anyone. It does one narrow thing well: it remembers what your team tells you and hands it back right before you need it, as a short prep before each 1-1. Notes are immutable and everything the AI produces points back to the note it came from.
ForthWrite's answer:
ForthWrite learns your writing style from your actual sent mail, not a generic prompt. Every draft sounds like you wrote it because it was trained on how you actually write. It also auto-drafts replies before you open your inbox, so your email is partially handled before your day starts.
LeaderCues's answer
Fellow, Lattice, and 15Five are platforms your company adopts. LeaderCues is a tool you pick up yourself, like a notebook. No rollout, no seats to buy, no HR process attached. If you manage 3 to 15 engineers and your real problem is walking into 1-1s cold and losing track of what you promised, this is the lightest thing that fixes it. The free plan has no time limit, and the core workflow keeps working even with zero AI credits.
ForthWrite's answer:
Most AI email tools give you a blank box and a "write for me" button. ForthWrite builds a voice profile from your sent history and gets more accurate with every draft you edit or send. Unlike ChatGPT or Gemini, it works natively inside Gmail and Outlook with no copy-paste. Unlike Lavender, it writes the draft, not just scores it.
LeaderCues's answer
Engineering managers and team leads at software companies, usually with 3 to 15 direct reports. The typical user runs weekly or biweekly 1-1s, keeps scattered notes in five places, and has been burned by forgetting something a report told them a month ago.
ForthWrite's answer:
Professionals who send high volumes of relationship-critical email and cannot afford to sound generic: lawyers, financial advisors, recruiters, account executives, consultants, and founders managing their own inbox.
LeaderCues's answer
It was built by an engineering manager who kept losing context between 1-1s. The notes existed, spread across docs and memory, but walking into a meeting there was never time to reread them. A report would mention something personal or important, and three weeks later it was gone. The fix started as a habit, one page per person and three lines after every conversation, and LeaderCues is that habit turned into a product: the notes stay raw and yours, and the AI does the rereading for you.
ForthWrite's answer:
Built out of frustration with AI writing tools that produce text that sounds nothing like the person sending it, and as a way to handle large amounts of daily email. The core insight was that your sent mail is the best training data you already have, and no tool was using it.
I built ForthWrite because I kept sending emails that sounded like they came from the same generic AI as everyone else. After launching it, I still use it for my own inbox every day, which is about the most honest endorsement I can give.
The Chrome extension lives inside Gmail and Outlook on the web. Open a thread, hit Alt+Shift+D, and a draft comes back in your voice, not a template. The free tier is real: 10 drafts per week, no API key, no credit card. Voice matching is included on free, because that is the point.
What keeps it useful compared to Gemini or a chat tab: it learns from what you actually send. Every edit you make before hitting send becomes a signal. Over time the drafts drift closer to how you really write, and the dashboard shows the improvement curve so you can see it happening.
The web compose surface lets you draft from forthwrite.ai without installing anything, useful for people who want to try before committing to the extension.
Standard adds recipient-aware and intent-aware drafting plus AI coaching. Pro adds auto-draft (replies waiting when you open Gmail), batch replies, and Prompt Lab for version-controlling your prompts. Teams adds a shared persona and seat-level analytics.
ForthWrite is not for everyone. If you just need quick replies and tone does not matter, Gemini is free and already in your inbox. ForthWrite is for people where tone does matter: client communication, relationship-driven threads, external correspondence where sounding off costs something real.
Disclosure: I am the founder and use it daily. Happy to answer questions in the comments.
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Superhuman - Superhuman is an email management tool.
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