Candid perspectives. Zero career friction.
Great ideas and critical warnings come from every corner of your team. Give every team member the psychological safety to question consensus, surface hidden risks, and share bold ideas without social friction or fear of career retaliation.
Add to Slack for Free!
Get a demo

Slack Brilliant Bot
Trusted by over 2000 teams with 550,000+ users
For Employees & Team Members
Speak Truth to Power Without Social Anxiety
- Post suggestions, questions, and concerns completely anonymously with /anon.
- Show a verified department badge (e.g. [Engineering]) while hiding your identity.
- Engage in threaded discussions using distinct per-thread pseudonyms (OP, R1, R2).
- Feel confident that AI positive sentiment protects conversations from becoming toxic.
For People Ops & Leadership
Unfiltered Ground-Level Truth Before It Escalates
- Uncover hidden operational bottlenecks and retention risks weeks earlier.
- Receive candid, unvarnished feedback during Town Halls, AMAs, and product launches.
- Enforce custom workplace policies with automated LLM toxicity moderation.
- Designate dedicated whitelist channels for open feedback while protecting public channels.

Frictionless Posting with /anon
Type /anon in any Slack channel to open the intuitive message composer
Select whether to display your verified usergroup badge (e.g. Engineering, Sales)
Choose context tags like π‘ Idea, π© Concern, π Praise, or π€ Question
Real-time AI sentiment analysis evaluates tone prior to sending
Learn more...
Confidential 1-on-1 Pulse Surveys in DMs
Send one-off or scheduled pulse surveys directly via 1-on-1 Slack Direct Messages
Eliminate public channel peer pressure so employees share candid thoughts safely
Real-time response dashboards, aggregate feedback score breakdowns, and trend charts in app.opensay.co
Target specific Slack usergroups, departments, or entire workspaces
Learn more...
Safe by Design: AI Pre-Flight Moderation
Integrates Google Perspective API and LLMs to flag toxic, abusive, or NSFW language
Admins can set customized minimum sentiment scores globally or per channel
Prevents harassment while encouraging authentic, constructive feedback
Multi-lingual support across 100+ languages
Learn more...
Granular Channel & Permission Controls
Limit anonymity to specific public or private feedback channels (#ama, #retros, #feedback)
Enable Authorized Responses so leaders can reply officially with verified badges
Negative Karma thresholds automatically hide unpopular or unproductive noise
Privacy-first architecture: author IDs are never stored on external databases
Learn more...Essential Guides for Anonymous Slack Messaging
Master commands, safety settings, and usergroup configurations in under 3 minutes.
OpenSay in Slack vs. External HR Portals
Why in-Slack feedback eliminates portal friction compared to HiBob, Lattice, or Google Forms.
| Capability | OpenSay for Slack | External HR Portals (HiBob / Lattice) |
|---|---|---|
| Where it Happens | Directly in Slack (where work already occurs) | Separate web app login (rarely opened) |
| Employee Anonymity Trust | Zero Author ID Storage & Cryptographic Hashing | Employees fear internal corporate IT tracking |
| 1-on-1 Pulse Surveys in DMs | Yes (instant confidential DM surveys) | Long external email links |
| AI Toxicity & PII Filtering | Real-time Pre-Flight AI Perspective Verification | None or basic keyword blacklist |
| Interactive Thread Pseudonyms | Yes (random avatars maintain discussion flow) | Static one-off text boxes |
| Verified Usergroup Badges | Yes (e.g. [Engineering], [Sales]) | All-or-nothing identity |
Workplace Culture & Psychological Safety Articles

Slack
,Guide
,Psychological Safety
How to Be Anonymous in Slack: A Comprehensive Guide
Learn all methods and best practices for communicating anonymously in Slack to promote honest feedback and psychological safety.

OpenSay Team
Jan 20, 2026
Β Β | Β Β
5 min read

Culture
,Feedback
,Psychological Safety
Encouraging Contrarian Thoughts in Slack
Why candid feedback and honest perspectives are impossible without psychological safety and how to foster critical thinking.

OpenSay Team
Feb 5, 2026
Β Β | Β Β
4 min read

Privacy
,Security
,Architecture
Overview of Privacy & Security with OpenSay
How one-way cryptographic hashing protects author privacy by never storing user IDs in databases.

OpenSay Team
Jan 15, 2026
Β Β | Β Β
4 min read
Unlock Psychological Safety in Slack Today
Join 2,000+ teams using OpenSay to build a culture of open feedback, diverse thinking, and responsible communication.