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PulseLens

Free plan Self-hostedWebWindows

What PulseLens is

PulseLens is a free, MIT-licensed open-source workbench for social listening and public-opinion early warning. It monitors mentions of people, brands, projects, or organizations, classifies sentiment, estimates reputational risk, and suggests response strategies. The current version imports user-provided CSV files and public RSS feeds. Its multilingual baseline uses English and Chinese lexicons for favorable, harmful, and urgent signals. Risk scoring combines sentiment, reach, urgency, source weight, and keyword matches, then assigns crisis levels from L0 to L5. PulseLens classifies likely product, service, legal, security, privacy, or reputation concerns and groups related mentions into topic clusters. Suggested responses include amplify, clarify, neutral-watch, de-escalate, and crisis-response. A local web dashboard shows mentions, trends, alerts, entity-level risk, and a prioritized triage queue. JSON, CSV, and Markdown weekly-report outputs are available. The SQLite database is stored on the user's machine. PulseLens runs as self-hosted, web, or Windows software and is classified as Alpha.

Who it suits

PulseLens suits maintainers, researchers, small teams, and individual creators who need local monitoring of imported public-opinion data. It is useful for users comfortable with an Alpha-stage open-source project.

What it does well

Free and MIT licensed
English and Chinese sentiment lexicons
L0-to-L5 crisis levels
Local SQLite storage
Dashboard plus JSON, CSV, and Markdown outputs

What to know first

Current imports are CSV files and public RSS feeds
Project status is Alpha
Planned connectors are not current integrations
Does not automate public replies

Verdict

PulseLens provides local, structured triage for imported mentions, with sentiment, risk scoring, and report exports. Its Alpha maturity and limited current data sources are important constraints.

Facts from PulseLens's own pages

Dashboard: The local web dashboard shows recent mentions, trend summaries, alerts, entity-level risk, and a risk-prioritized triage queue. · github.com, 12 Oct 2026
Dashboard and reports: The local web dashboard shows mentions, trends, alerts, and entity-level risk, with CSV, JSON, and Markdown weekly-report outputs. · github.com, 12 Oct 2026
Data imports: The current version supports importing user-provided data from CSV files and public RSS feeds. · github.com, 12 Oct 2026
Data sources: The current version imports user-provided data from CSV files and public RSS feeds. · github.com, 12 Oct 2026
Exports: PulseLens provides a JSON endpoint, CSV export, and Markdown weekly reports. · github.com, 12 Oct 2026
Integrations: Mastodon, Reddit exports, GitHub issues, YouTube comment exports, news APIs, Slack, Feishu, and DingTalk are listed as future roadmap items. · github.com, 12 Oct 2026
License: PulseLens is released under the MIT License, which grants use of the software free of charge subject to its terms. · github.com, 12 Oct 2026
License and maturity: The project is MIT-licensed and its Python package classifies its development status as Alpha. · github.com, 12 Oct 2026
Limits: The current version does not aim to bypass platform restrictions, scrape private chats, automate public replies, contact posters automatically, or provide legal services. · github.com, 12 Oct 2026
Monitoring: It monitors mentions of people, brands, projects, or organizations, classifies sentiment, estimates reputational risk, and suggests responses. · github.com, 12 Oct 2026
Purpose: PulseLens is an open-source social-listening and public-opinion early-warning workbench for maintainers, researchers, small teams, and individual creators. · github.com, 12 Oct 2026
Response suggestions: Suggested strategies include amplify, clarify, neutral-watch, de-escalate, and crisis-response. · github.com, 12 Oct 2026
Risk analysis: Risk scoring combines sentiment, reach, urgency, source weight, and keyword matches, with crisis levels from L0 to L5. · github.com, 12 Oct 2026
Risk categories: It classifies likely product, service, legal, security, privacy, or reputation risks and groups related mentions into topic clusters. · github.com, 12 Oct 2026
Roadmap: Mastodon, Reddit exports, GitHub issues, YouTube comment exports, and news APIs are listed as later planned connectors. · github.com, 12 Oct 2026
Security reporting: The security policy asks users to report security problems privately to project maintainers and include reproduction steps, affected version, and impact. · github.com, 12 Oct 2026
Sentiment: Its multilingual sentiment baseline includes English and Chinese lexicons for favorable, harmful, and urgent signals. · github.com, 12 Oct 2026
Sentiment analysis: Yes · github.com, 22 Sept 2026
Sentiment and risk: Its baseline sentiment lexicons cover English and Chinese, and its risk scoring combines sentiment, reach, urgency, source weight, and keyword matches. · github.com, 12 Oct 2026
Storage: The project describes its storage as privacy-first and says its SQLite database is stored on the user's machine. · github.com, 12 Oct 2026
Triage: PulseLens labels items from L0 to L5, classifies risk types, clusters topics, and suggests response strategies. · github.com, 12 Oct 2026
Web monitoring: Yes · github.com, 22 Sept 2026
Windows support: The README provides a bundled Windows helper script for running PulseLens without configuring PATH. · github.com, 12 Oct 2026

Where PulseLens stands on Freedom251

Social Media Listening Software#16 of 86