Every submission cycle I see the same setup in researchers’ browsers: a folder of scattered tabs — conference sites, index directories, a half-updated spreadsheet someone shared three years ago. Deadline tracking and verification work are genuinely spread across a dozen free sites, and the problem isn’t a shortage of tools. It’s that most “toolkit” posts list them all without saying which one to trust for which job.
This is the short list I actually work from after eight years of reviewing calls for papers — CallForPaper tools plus the complementary free resources that back them up (official society pages, indexing directories, and the integrity-checkers we lean on). Some entries here get into regular rotation in our own verification workflow, so I’ll keep treating this page as a living hub and update it as things change.
Deadlines & CFP discovery
CallForPaper.org — free conference directory, ~no learning curve. The core directory lists calls for papers with submission deadlines, venue, and topic tags, and every event carries one of three trust badges (Listed, Verified, Trusted) so you know what hasn’t been checked yet. Two things I reach for constantly: the topic-overlap score on event pages, which tells you how well a CFP matches your paper’s actual scope before you commit hours to a submission, and the fact that every listing exposes a structured calendar feed. Sign up, mark a shortlist, and the deadlines land on your calendar rather than in your memory.
Where it falls short: coverage depends on what’s been submitted or picked up, and a badge is one signal among several — it doesn’t guarantee that a Trusted event is the right fit for your paper. Treat it as a discovery layer with integrity context, not a complete registry.
Official IEEE and ACM conference pages — the source of truth for society events. If a call claims IEEE or ACM sponsorship, the fastest verification is their own systems: IEEE’s conference search and ACM’s event and SIG CFP pages. These are primary sources — what the society itself says is running, with dates and submission links direct from the organizer. I describe the full affiliation-matching process in how we verify IEEE & society affiliation claims, but the short version is: check the society’s own page first, and treat the conference’s PDF as marketing until the parent body confirms it.
Where it falls short: society pages list their own events only, they’re frequently out of sync with what you’ll find elsewhere, and coverage is strongest for IEEE/ACM and weaker for smaller or regional conferences.
Calendar feeds (iCal/ICS) — the deadline-to-calendar layer. The part most researchers skip is getting deadlines to actually show up. Our calendar generator turns a set of selected CFPs into a custom iCal feed. Subscribe to it in Google Calendar, Outlook, or Apple Calendar, and each event’s deadlines arrive as recurring alerts. If you’re tracking more than a handful of venues, this is the highest-leverage free step you can take — the feed does the reminding, and you do the writing.
Where it falls short: feeds are only as current as the underlying listings, and calendar clients sometimes cache subscriptions, so a deadline can appear stale unless you refresh the feed. Always confirm against the event’s own page the week a deadline lands. The broader discovery system behind this is covered in how to find relevant CFPs fast.
Indexing checks
Scopus Sources — does the journal or proceedings series actually appear in Scopus? The official directory at scopus.com/sources lets you search by title and see whether it’s currently indexed, its coverage dates, and its CiteScore. Because it’s the database’s own source list, it’s the most defensible answer you can get to “is this Scopus-indexed?” — a claim you’ll see on endless conference websites. This pairs directly with our explainer on how indexing actually works.
Where it falls short: Scopus’s directory has no free “is this claim true” API layer by design, it won’t tell you whether the current edition of a running series is still indexed, and inclusion is not a quality stamp — it doesn’t speak to peer review.
Web of Science Master Journal List — the (historically) conservative sister check. The Master Journal List is where Web of Science’s curated set lives. If a claim says “Web of Science indexed,” this is where you look it up. Its curation is famously strict, so a presence here is a stronger signal than presence in most other directories.
Where it falls short: same currency caveats as Scopus, and the interface is built for libraries rather than for a first-year PhD student doing a five-minute check.
DOAJ — the open-access trust floor. The Directory of Open Access Journals is a volunteer-audited registry that checks openness, licensing, and basic publishing standards before admitting a journal. For open-access venues, DOAJ presence is the single most useful free integrity signal you’ll find, and it filters out a large share of predatory OA journals simply by being selective.
Where it falls short: it covers open-access journals, not subscription journals or most conference proceedings, and admission criteria don’t evaluate research quality — they evaluate publishing practice.
Crossref, DBLP, IEEE Xplore — the proceedings-level checks. Conference proceedings get indexed differently from journals. Crossref shows whether papers actually carry DOIs; DBLP is a long-maintained computer-science bibliography that reflects real indexing depth; and IEEE Xplore is where IEEE proceedings actually live. When a proceedings claim looks odd (“Indexed in IEEE Xplore” on a non-IEEE event), checking the index directly resolves it in under a minute. DBLP’s depth is CS-specific — other fields have their own authoritative free bibliographies, such as PubMed for biomedical literature — so pick the bibliography for your discipline rather than reaching for a generic one.
Where it falls short: these are bibliographic, not evaluative — a DOI or a database record confirms a paper exists, nothing more. It doesn’t tell you the venue is reputable, and it doesn’t reflect whether the current edition of a series is still indexed anywhere.
Google Scholar & OpenAlex — quick citation and author checks. For a fast read on whether an author is real and provably publishing, Google Scholar and OpenAlex are the two free defaults. Scholar’s author profiles and citation counts are the fastest way to sanity-check a name; OpenAlex is a fully open index built on Crossref and other sources that exposes the same publication graph via an API. Both are useful triage layers.
Where it falls short: neither is an integrity stamp. Scholar indexes virtually any scholarly-looking content — predatory journals and mill-published papers included — and citation counts there are routinely gamed, so treat a Scholar hit as evidence that something exists, not that it’s reputable. OpenAlex inherits whatever quality the source databases have.
ISSN Checker (CallForPaper) — one search instead of five. Our ISSN checker pulls journal publication history and data from OpenAlex, DOAJ, and Crossref into a single report for a given ISSN. It’s the aggregation step that would otherwise mean opening Scopus, DOAJ, Crossref, and the ISSN portal in parallel — and the shortcut I use before I cross-check any individual directory.
Where it falls short: it reflects the data providers’ coverage, so it’s a triage tool, not a final verdict — if the ISSN surfaces no data at all, that’s worth treating as a question mark, not as confirmation.
Integrity & predatory-signal checks
Think.Check.Submit — the did-you-try-the-basics checklist. Think.Check.Submit is the community-standard, plain-language checklist for evaluating whether a journal or conference is legitimate before you hand over your paper. It’s less a database and more a practised set of questions (Is the contact detail real? Are the fees disclosed?), which makes it the right first exercise for anyone new to verification.
Where it falls short: it gives you the discipline, not the lookup table — after it tells you what to check, you still need directories and databases to check against.
Open predatory-conferences dataset + Predatory Conference Checker — the free alternative to paywalled watchlists. The commercial standard here — Cabells’ predatory reports — is excellent and sits behind a subscription. The free alternative we maintain ourselves is an open, evidence-backed dataset of suspicious organizers and conferences, released under CC0 so anyone can use it. That dataset feeds our predatory conference checker, which cross-references an event against organizer history and known patterns. The dataset’s inclusion rules and a walkthrough of why we published it are documented in the dataset announcement.
Where it falls short: an absence from the dataset is not a clean bill of health — a conference can be predatory and simply not be on any public list yet. This is a negative-evidence filter, and I describe its limits honestly in the methodology post.
Retraction Watch — the surrounding ecosystem. Retraction Watch tracks retractions and the chronic duplicate/journal-mill publishers behind them; its retraction database is a good place to check an author, journal, or publisher’s history. It’s not comprehensive, but it catches things the directories above will never flag. The practical version: before you submit, run both the publisher’s name and the venue’s name through the retraction database — a history the venue won’t volunteer often shows up there.
A note on community lists in general: several once-standard integrity resources have shut down or changed hands over the past few years — some now resolve to unrelated sites. If you’re relying on a community-maintained watchlist, confirm who currently runs the domain before treating it as authoritative.
The snapshot
| What you’re checking | Free tool | Caveat |
|---|---|---|
| Is this CFP real / society-backed? | IEEE & ACM official pages | Society pages only cover their own events |
| Is this journal Scopus/WoS indexed? | Scopus Sources, MJL | Directory currency changes; not a quality stamp |
| Is this OA journal trustworthy? | DOAJ | OA journals only; practice, not quality |
| Do proceedings papers actually exist? | Crossref, DBLP, IEEE Xplore (or field bibliography, e.g. PubMed) | Bibliographic, not evaluative |
| Is the author / citation record real? | Google Scholar, OpenAlex | Existence, not quality — Scholar counts are gamed |
| Done a sanity check on the venue? | Think.Check.Submit | Checklist, not a lookup table |
| Does this venue have a predatory record? | Predatory checker + CC0 dataset | Absence isn’t innocence |
What isn’t on this list
Deliberately absent: crowd-maintained CFP wikis (high noise, low curation), paywalled analytics suites (useful, but not “free toolkit” material), and any tool that scores a conference 0–10 — single-number verdicts flatten exactly the signals this toolkit is built to separate. So too is the promise that a proceedings volume “will be indexed in Scopus” after publication: future indexing is a claim about something that doesn’t exist yet, and it’s a recurring red flag in solicitation emails — the mechanics of how indexing actually happens are worth reading before you bank on it. If you’re comparing a journal against its own record rather than checking a claim, the important search engines guide is the better companion.
Why this page gets updated
Resource lists rot. Directory scopes change, tools merge, and coverage shifts every quarter, so I treat this the same way I treat the verification explainers — as a maintained artifact rather than a one-off post. When a listed resource changes materially, or a genuinely useful free tool appears that fits the list, I’ll edit this page rather than write a new one: the URL stays the same, and the citation stays valid.
The short version
- Deadlines: use CallForPaper.org for discovery and calendar feeds; use IEEE/ACM pages as the source of truth for society claims.
- Indexing: check the database’s own directory first (Scopus Sources, MJL, DOAJ, Crossref/DBLP — or your field’s bibliography, like PubMed for biomed); use Google Scholar and OpenAlex only for fast author triage, never as a quality signal; use the ISSN checker to aggregate the rest.
- Integrity: run Think.Check.Submit as discipline, check the CC0 predatory dataset when something feels off, and treat an absent record as a question mark — never as a clean bill of health.
- None of these alone is conclusive, but they compound — and compounding is the point.
If you’re about to send a submission and want one more end-to-end pass, the CFP submission checklist walks the whole pipeline in order, and every check above slots into it.
Cite this guide
Saurabh Sharma (2026). The Researcher’s Toolkit: Free Resources for Deadlines, Indexing Checks & Integrity. CallForPaper.org. https://callforpaper.org/blog/p/researchers-toolkit-free-resources-deadlines-indexing-integrity