Best Open People Data Alternatives in 2026

Build your own AI agent to automate tasks and projects. Double O allows you to give a simple instruction, connect your tools, then sit back as your team of highly-trained AI agents automates even the most complex task.

The platform provides a suite of tools to create and manage an AI assistant with natural language processing, machine learning, and conversational AI features that can automate tasks like scheduling meetings and answering customer queries.

Instantly.ai is a cold email software that uses AI technology and personalization to increase response rates and drive new business.

Read AI records, transcribes, and summarizes meetings, emails, and chats across Google Meet, Zoom, Teams, and in‑person sessions. It extracts action items, delivers searchable notes, offers contextual answers from integrated data, supports 20+ languages, and meets SOC II, GDPR, HIPAA compliance.

Jelled.ai builds a digital twin of your professional communication by aggregating Gmail, Slack, and other channels, prioritizes urgent messages, auto‑drafts replies in your tone, and maintains a living knowledge archive for continuity. Admins control access for secure collaboration.

Sixty AI manages inboxes, schedules, agendas, and meeting briefs, offers custom daily snapshots, alerts on changes, and birthday reminders. It filters email noise, reduces interruptions, helping professionals focus on critical tasks.

Reply.io automates personalized cold email and LinkedIn outreach, using AI-driven customization and real‑time B2B contact data. It offers multichannel sequences, inbox‑optimization tools, API integration, and meeting‑scheduling to streamline lead qualification and accelerate sales pipelines.

Inbox Zero is an AI‑powered assistant for Gmail and Outlook that auto‑labels mail, drafts replies in the user’s voice, bulk unsubscribes, and syncs with calendars and CRM. It offers privacy‑centric, self‑hostable code and inbox analytics.

Mails.ai automates cold‑email campaigns—creating, sending, and scheduling follow‑ups—while supporting unlimited Gmail, Outlook, Zoho, or custom SMTP accounts. It verifies addresses, warms mailboxes, generates personalized AI copy, rotates inboxes for deliverability, tracks contacts, reports, and offers team collaboration.

Inbox AI is a voice-driven automation tool for macOS that streamlines email management and task processing. It integrates with Apple Mail for smart actions, supports custom voice assistants, and ensures privacy through on-device processing.

Quickmail AI is an AI-driven email assistant that generates professional emails quickly from brief prompts. It enhances productivity by reducing writing time and allows users to customize content to fit their style, supporting efficient email management.

Deuces AI automates personalized email outreach at scale, generating dynamic templates from campaign goals, demographics, and tone, supporting multi-template randomization, unlimited sending, CRM syncing, previews, A/B testing, and analytics for optimizing opens, clicks, and conversions.

Eloquens AI is a smart email assistant that automates routine emails, books appointments, and filters spam in 160+ languages. It learns user preferences, operates continuously, and provides performance analytics.

EmailTriager automatically organizes Gmail, drafts replies that match your style, and trains on local data. It installs with one click, shows draft responses in the inbox for quick review, and keeps all communications private with third‑party security validation.

AI‑powered InboxPro streamlines client acquisition and nurture workflows by auto‑composing, summarizing, and personalizing emails, automating multi‑step follow‑ups, syncing with Google Calendar, tracking opens and clicks, and providing analytics dashboards for data‑driven outreach.

PulseMail is an AI-powered email assistant that optimizes inbox management through smart responses, prioritization, meeting handling, and automation. It provides personalized messages, analytics, and seamless integration with existing tools for enhanced communication efficiency.

AI Mail Assistant is a Gmail add‑on that uses GPT‑4o to automate email tasks: it generates concise replies, summarizes long messages, translates 13 languages, provides grammar checks, auto‑labels and archives emails, and flags tone issues.

Email Outreach Company offers a full outbound automation platform for B2B growth teams, combining authenticated email delivery, multi‑channel LinkedIn‑email workflows, AI‑driven personalization, appointment scheduling, and real‑time analytics to scale campaigns.

Emilio, the AI email assistant, streamlines email management by prioritizing important emails, summarizing threads, and assisting with email drafting. Save time, achieve inbox zero, and boost productivity effortlessly.

AI Perfect Assistant adds ChatGPT, Gemini, Claude, and 60+ LLMs to Office 365 apps, delivering real‑time grammar, style checks, drafting, summarization, translation, and formula generation to streamline writing, analysis, and teamwork across Word, Excel, PowerPoint, Outlook, Teams, and OneNote.

AImReply auto‑generates email drafts and replies in up to 17 languages, offering 12 tones and three length options. It delivers real‑time edits and AI suggestions, streamlining composition for professionals, support agents, academics, and entrepreneurs—no login needed.

dmwithme is an AI companion for personalized conversations, adapting to user preferences with secure, private interactions. Free access has daily limits; premium offers unlimited messaging and priority support via email login.

AI Mail Assistant integrates with Gmail to auto‑generate replies, summarize threads, correct grammar and tone, translate into 13 languages, and flag ethical concerns—all without an OpenAI account—saving professionals time and improving email clarity.

hiaireply.com is an AI-powered email client that instantly generates and prioritizes messages with a smart inbox. It enables custom AI models for specific tasks while ensuring security with end-to-end encryption.

InboxGPT syncs Gmail into a unified inbox for teams, offering AI‑generated draft replies that adapt to your site’s tone. Customizable, multi‑language, and learns from every email, streamlining support and reducing response time.

Inboxly aggregates email, social media, and messaging into one inbox, auto‑organizing and prioritizing content. AI drafts replies, cuts response time, and sends a daily digest for a quick channel overview, saving users time and streamlining outreach.

Digital God automates sales, marketing, and customer support, delivering hyper‑personalized cold emails, videos, and 24/7 AI agent responses. It books meetings, captures leads via custom landing pages, tracks nurture cycles, and syncs across email, text, Zoom, and WhatsApp.

Doppel - Chat Era is an app with AI personas of famous personalities from various fields for engaging in stimulating conversations and learning about their perspectives on current world issues.

Twinning creates a personalized AI clone that mirrors your voice and mannerisms from a brief 5‑15 minute audio sample. It produces a shareable link for fans to converse in audio or text, tracks engagement, and lets creators monetize those interactions.